Merge branch 'novista'. Did a few final tweaks during merge.

Components/ASMInline.pas

@@ -23,7 +23,7 @@ interface
   !!!! Not all special cases have been implemented in WriteRegRef().
 }
 
-uses Sysutils, windows, classes, contnrs;
+uses Sysutils, Windows, Classes, Contnrs;
 
 type
   TModMode = (mmNaked, mmDeref, mmDisp8, mmDisp32);

Components/FolderTreeView.pas

@@ -2,7 +2,7 @@ unit FolderTreeView;
 
 {
   Inno Setup
-  Copyright (C) 1997-2018 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -24,7 +24,6 @@ type
   private
     FDestroyingHandle: Boolean;
     FDirectory: String;
-    FFriendlyTree: Boolean;
     FItemExpanding: Boolean;
     FOnChange: TNotifyEvent;
     FOnRename: TFolderRenameEvent;
@@ -329,34 +328,6 @@ begin
   end;
 end;
 
-function UseFriendlyTree: Boolean;
-{ Returns True if running Windows XP or 2003 and the "Display simple folder
-  view" option in Explorer is enabled (by default, it is).
-  Note: Windows Vista also has this option, but regardless of how it is set,
-  folders never expand with a single click in Explorer. So on Vista and later,
-  False is always returned. }
-var
-  Ver: Word;
-  K: HKEY;
-  Typ, Value, Size: DWORD;
-begin
-  Ver := Word(GetVersion);
-  if (Lo(Ver) = 5) and (Hi(Ver) >= 1) then begin
-    Result := True;
-    if RegOpenKeyEx(HKEY_CURRENT_USER,
-       'Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced',
-       0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
-      Size := SizeOf(Value);
-      if (RegQueryValueEx(K, 'FriendlyTree', nil, @Typ, @Value, @Size) = ERROR_SUCCESS) and
-         (Typ = REG_DWORD) and (Size = SizeOf(Value)) then
-        Result := (Value <> 0);
-      RegCloseKey(K);
-    end;
-  end
-  else
-    Result := False;
-end;
-
 { TCustomFolderTreeView }
 
 type
@@ -377,8 +348,6 @@ begin
   Height := 97;
   ParentColor := False;
   TabStop := True;
-  if Lo(GetVersion) < 6 then
-    Cursor := crArrow;  { prevent hand cursor from appearing in TVS_TRACKSELECT mode }
   if SystemParametersInfo(SPI_GETICONTITLELOGFONT, SizeOf(LogFont), @LogFont, 0) then
     Font.Handle := CreateFontIndirect(LogFont);
 end;
@@ -394,15 +363,7 @@ begin
   with Params do begin
     Style := Style or WS_CLIPCHILDREN or WS_CLIPSIBLINGS or TVS_LINESATROOT or
       TVS_HASBUTTONS or TVS_SHOWSELALWAYS or TVS_EDITLABELS;
-    FFriendlyTree := UseFriendlyTree;
-    if FFriendlyTree then
-      Style := Style or TVS_TRACKSELECT or TVS_SINGLEEXPAND
-    else begin
-      if Lo(GetVersion) >= 6 then
-        Style := Style or TVS_TRACKSELECT
-      else
-        Style := Style or TVS_HASLINES;
-    end;
+    Style := Style or TVS_TRACKSELECT;
     ExStyle := ExStyle or WS_EX_CLIENTEDGE;
     WindowClass.style := WindowClass.style and not (CS_HREDRAW or CS_VREDRAW);
   end;
@@ -420,8 +381,8 @@ begin
   if csDesigning in ComponentState then
     Exit;
 
-  { On Vista, enable the new Explorer-style look }
-  if (Lo(GetVersion) >= 6) and Assigned(SetWindowTheme) then begin
+  { Enable the new Explorer-style look }
+  if Assigned(SetWindowTheme) then begin
     SetWindowTheme(Handle, 'Explorer', nil);
     { Like Explorer, enable double buffering to avoid flicker when the mouse
       is moved across the items }
@@ -489,7 +450,7 @@ end;
 
 procedure TCustomFolderTreeView.WMEraseBkgnd(var Message: TWMEraseBkgnd);
 begin
-  { For TVS_EX_DOUBLEBUFFER to be truly flicker-free on Vista, we must use
+  { For TVS_EX_DOUBLEBUFFER to be truly flicker-free, we must use
     comctl32's default WM_ERASEBKGND handling, not the VCL's (which calls
     FillRect). }
   DefaultHandler(Message);
@@ -555,19 +516,8 @@ const
     if Assigned(Item) then begin
       if HitTestInfo.flags and TVHT_ONITEMBUTTON <> 0 then
         TreeView_Expand(Handle, Item, TVE_TOGGLE)
-      else begin
-        if TreeView_GetSelection(Handle) <> Item then
-          SelectItem(Item)
-        else begin
-          { In 'friendly tree' mode, if the item is already selected, ensure
-            it's expanded.
-            Note: We do this only if SelectItem wasn't called, since newly
-            selected items are expanded automatically. If we were to call this
-            unconditionally, any error message would be shown twice. }
-          if FFriendlyTree and (HitTestInfo.flags and TVHT_ONITEM <> 0) then
-            TreeView_Expand(Handle, Item, TVE_EXPAND);
-        end;
-      end;
+      else if TreeView_GetSelection(Handle) <> Item then
+        SelectItem(Item);
     end;
   end;
 
@@ -687,25 +637,6 @@ begin
         HandleClick;
         Message.Result := 1;
       end;
-    TVN_SINGLEEXPAND:
-      begin
-        Hdr := PNMTreeView(Message.NMHdr);
-        { Trying to emulate Windows XP's Explorer here:
-          Only collapse old item if it's at the same level as the new item. }
-        if Assigned(Hdr.itemOld.hItem) and Assigned(Hdr.itemNew.hItem) and
-           (TreeView_GetParent(Handle, Hdr.itemNew.hItem) <>
-            TreeView_GetParent(Handle, Hdr.itemOld.hItem)) then
-          Message.Result := Message.Result or TVNRET_SKIPOLD;
-        { Selecting expanded items shouldn't collapse them }
-        if Assigned(Hdr.itemNew.hItem) then begin
-          TVItem.mask := TVIF_STATE;
-          TVItem.hItem := Hdr.itemNew.hItem;
-          TVItem.stateMask := TVIS_EXPANDED;
-          if TreeView_GetItem(Handle, TVItem) and
-             (TVItem.state and TVIS_EXPANDED <> 0) then
-            Message.Result := Message.Result or TVNRET_SKIPNEW;
-        end;
-      end;
   end;
 end;
 
@@ -1205,5 +1136,5 @@ end;
 initialization
   InitThemeLibrary;
   SHPathPrepareForWriteFunc := GetProcAddress(LoadLibrary(PChar(AddBackslash(GetSystemDir) + shell32)),
-    {$IFDEF UNICODE}'SHPathPrepareForWriteW'{$ELSE}'SHPathPrepareForWriteA'{$ENDIF});
+    'SHPathPrepareForWriteW');
 end.

Components/NewCheckListBox.pas

@@ -93,10 +93,9 @@ type
     procedure LBDeleteString(var Message: TMessage); message LB_DELETESTRING;
     procedure LBResetContent(var Message: TMessage); message LB_RESETCONTENT;
     procedure WMGetDlgCode(var Message: TWMGetDlgCode); message WM_GETDLGCODE;
-    procedure WMGetObject(var Message: TMessage); message $003D; //WM_GETOBJECT
+    procedure WMGetObject(var Message: TMessage); message WM_GETOBJECT;
     procedure WMKeyDown(var Message: TWMKeyDown); message WM_KEYDOWN;
     procedure WMMouseMove(var Message: TWMMouseMove); message WM_MOUSEMOVE;
-    procedure WMMouseWheel(var Message: TMessage); message $020A; //WM_MOUSEWHEEL
     procedure WMNCHitTest(var Message: TWMNCHitTest); message WM_NCHITTEST;
     procedure WMSetFocus(var Message: TWMSetFocus); message WM_SETFOCUS;
     procedure WMSize(var Message: TWMSize); message WM_SIZE;
@@ -239,9 +238,6 @@ const
   IID_IAccessible: TGUID = (
     D1:$618736e0; D2:$3c3d; D3:$11cf; D4:($81,$0c,$00,$aa,$00,$38,$9b,$71));
 
-var
-  CanQueryUIState: Boolean;
-
 type
   TWinControlAccess = class (TWinControl);
 
@@ -623,8 +619,8 @@ begin
       FlipRect(rcItem, ClientRect, FUseRightToLeft);
     end;
     { Don't let TCustomListBox.CNDrawItem draw the focus }
-    if FWantTabs or (CanQueryUIState and
-      (SendMessage(Handle, WM_QUERYUISTATE, 0, 0) and UISF_HIDEFOCUS <> 0)) then
+    if FWantTabs or
+      (SendMessage(Handle, WM_QUERYUISTATE, 0, 0) and UISF_HIDEFOCUS <> 0) then
       itemState := itemState and not ODS_FOCUS;
     inherited;
   end;
@@ -775,10 +771,7 @@ begin
   FlipRect(Rect, SavedClientRect, FUseRightToLeft);
 
   ItemState := ItemStates[Index];
-  if CanQueryUIState then
-    UIState := SendMessage(Handle, WM_QUERYUISTATE, 0, 0)
-  else
-    UIState := 0; //no UISF_HIDEACCEL and no UISF_HIDEFOCUS
+  UIState := SendMessage(Handle, WM_QUERYUISTATE, 0, 0);
   Disabled := not Enabled or not ItemState.Enabled;
   with Canvas do begin
     if not FWantTabs and (odSelected in State) and Focused then begin
@@ -1751,39 +1744,6 @@ begin
   UpdateHotIndex(NewHotIndex);
 end;
 
-procedure TNewCheckListBox.WMMouseWheel(var Message: TMessage);
-const
-  WHEEL_DELTA = 120;
-begin
-  { Work around a Windows bug (reproducible on 2000/XP/2003, but not Vista):
-    On an ownerdraw-variable list box, scrolling up or down more than one item
-    at a time with animation enabled causes a strange effect: first all visible
-    items appear to scroll off the bottom, then the items are all repainted in
-    the correct position. To avoid that, we implement our own mouse wheel
-    handling that scrolls only one item at a time.
-    (Note: The same problem exists when scrolling a page at a time using the
-    scroll bar. But because it's not as obvious, we don't work around it.) }
-  if (Lo(GetVersion) = 5) and
-     (Message.WParam and (MK_CONTROL or MK_SHIFT) = 0) then begin
-    Inc(FWheelAccum, Smallint(Message.WParam shr 16));
-    if Abs(FWheelAccum) >= WHEEL_DELTA then begin
-      while FWheelAccum >= WHEEL_DELTA do begin
-        SendMessage(Handle, WM_VSCROLL, SB_LINEUP, 0);
-        Dec(FWheelAccum, WHEEL_DELTA);
-      end;
-      while FWheelAccum <= -WHEEL_DELTA do begin
-        SendMessage(Handle, WM_VSCROLL, SB_LINEDOWN, 0);
-        Inc(FWheelAccum, WHEEL_DELTA);
-      end;
-      SendMessage(Handle, WM_VSCROLL, SB_ENDSCROLL, 0);
-    end;
-  end
-  else
-    { Like the default handling, don't scroll if Control or Shift are down,
-      and on Vista always use the default handling since it isn't bugged. }
-    inherited;
-end;
-
 procedure TNewCheckListBox.WMNCHitTest(var Message: TWMNCHitTest);
 var
   I: Integer;
@@ -2144,18 +2104,6 @@ begin
   RegisterComponents('JR', [TNewCheckListBox]);
 end;
 
-procedure InitCanQueryUIState;
-var
-  OSVersionInfo: TOSVersionInfo;
-begin
-  CanQueryUIState := False;
-  if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-    OSVersionInfo.dwOSVersionInfoSize := SizeOf(OSVersionInfo);
-    if GetVersionEx(OSVersionInfo) then
-      CanQueryUIState := OSVersionInfo.dwMajorVersion >= 5;
-  end;
-end;
-
 { Note: This COM initialization code based on code from DBTables }
 var
   SaveInitProc: Pointer;
@@ -2172,7 +2120,6 @@ initialization
     SaveInitProc := InitProc;
     InitProc := @InitCOM;
   end;
-  InitCanQueryUIState;
   InitThemeLibrary;
   NotifyWinEventFunc := GetProcAddress(GetModuleHandle(user32), 'NotifyWinEvent');
 finalization

Components/NewProgressBar.pas

@@ -2,13 +2,13 @@ unit NewProgressBar;
 
 {
   Inno Setup
-  Copyright (C) 1997-2018 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   TNewProgressBar component - a smooth 32 bit TProgressBar
 
-  Note: themed Vista and newer animate progress bars and don't immediately show changes.
+  Note: themed animated progress bars and don't immediately show changes.
   This applies both to Position and State. For example if you set State while the
   progress bar is still moving towards a new Position, the new State doesnt show until
   the moving animation has finished.
@@ -59,9 +59,6 @@ implementation
 uses
   Windows, CommCtrl;
 
-var
-  XP, Vista: Boolean;
-
 procedure Register;
 begin
   RegisterComponents('JR', [TNewProgressBar]);
@@ -85,7 +82,7 @@ begin
   inherited;
   CreateSubClass(Params, PROGRESS_CLASS);
   Params.Style := Params.Style or PBS_SMOOTH;
-  if XP and (Style = npbstMarquee) then
+  if Style = npbstMarquee then
     Params.Style := Params.Style or PBS_MARQUEE;
 end;
 
@@ -97,8 +94,7 @@ begin
   SendMessage(Handle, PBM_SETRANGE, 0, MAKELPARAM(0, 65535));
   SetPosition(FPosition);
   SetState(FState);
-  if XP then
-    SendMessage(Handle, PBM_SETMARQUEE, WPARAM(FStyle = npbstMarquee), 0);
+  SendMessage(Handle, PBM_SETMARQUEE, WPARAM(FStyle = npbstMarquee), 0);
 end;
 
 procedure TNewProgressBar.SetMin(Value: LongInt);
@@ -132,16 +128,14 @@ const
   PBM_SETSTATE = WM_USER+16;
   States: array[TNewProgressBarState] of UINT = (PBST_NORMAL, PBST_ERROR, PBST_PAUSED);
 begin
-  if Vista then begin
-    FState := Value;
-    if HandleAllocated then
-      SendMessage(Handle, PBM_SETSTATE, States[Value], 0);
-  end;
+  FState := Value;
+  if HandleAllocated then
+    SendMessage(Handle, PBM_SETSTATE, States[Value], 0);
 end;
 
 procedure TNewProgressBar.SetStyle(Value: TNewProgressBarStyle);
 begin
-  if XP and (FStyle <> Value) then begin
+  if FStyle <> Value then begin
     FStyle := Value;
     RecreateWnd;
   end;
@@ -158,13 +152,4 @@ begin
   DefaultHandler(Message);
 end;
 
-var
-  OSVersionInfo: TOSVersionInfo;
-
-initialization
-  OSVersionInfo.dwOSVersionInfoSize := SizeOf(OSVersionInfo);
-  if GetVersionEx(OSVersionInfo) then begin
-    Vista := OSVersionInfo.dwMajorVersion >= 6;
-    XP := Vista or ((OSVersionInfo.dwMajorVersion = 5) and (OSVersionInfo.dwMinorVersion >= 1));
-  end;
 end.

Components/NewStaticText.pas

@@ -1,22 +1,12 @@
 unit NewStaticText;
 
 {
-  TNewStaticText - similar to TStaticText on D3+ but with multi-line AutoSize
+  TNewStaticText - similar to TStaticText but with multi-line AutoSize
   support and a WordWrap property
 }
 
 interface
 
-{$IFNDEF VER90}
-  {$IFNDEF VER100}
-    {$IFNDEF VER120}
-      {$IFNDEF VER130}
-        {$DEFINE Delphi6OrHigher}
-      {$ENDIF}
-    {$ENDIF}
-  {$ENDIF}
-{$ENDIF}
-
 uses
   Windows, Messages, SysUtils, Classes, Controls, Forms;
 
@@ -44,7 +34,7 @@ type
     procedure CreateParams(var Params: TCreateParams); override;
     procedure Loaded; override;
     procedure Notification(AComponent: TComponent; Operation: TOperation); override;
-    procedure SetAutoSize(Value: Boolean); {$IFDEF Delphi6OrHigher}override;{$ENDIF}
+    procedure SetAutoSize(Value: Boolean); override;
   public
     constructor Create(AOwner: TComponent); override;
     function AdjustHeight: Integer;
@@ -95,38 +85,6 @@ begin
   RegisterComponents('JR', [TNewStaticText]);
 end;
 
-procedure DrawTextACP(const DC: HDC; const S: String; var R: TRect;
-  const AFormat: UINT);
-{ Draws an ANSI string using the system's code page (CP_ACP), unlike DrawTextA
-  which uses the code page defined by the selected font. }
-{$IFDEF UNICODE}
-begin
-  DrawText(DC, PChar(S), Length(S), R, AFormat);
-end;
-{$ELSE}
-var
-  SLen, WideLen: Integer;
-  WideStr: PWideChar;
-begin
-  SLen := Length(S);
-  if SLen = 0 then
-    Exit;
-  if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-    if SLen > High(Integer) div SizeOf(WideChar) then
-      Exit;
-    GetMem(WideStr, SLen * SizeOf(WideChar));
-    try
-      WideLen := MultiByteToWideChar(CP_ACP, 0, PChar(S), SLen, WideStr, SLen);
-      DrawTextW(DC, WideStr, WideLen, R, AFormat);
-    finally
-      FreeMem(WideStr);
-    end;
-  end
-  else
-    DrawText(DC, PChar(S), SLen, R, AFormat);
-end;
-{$ENDIF}
-
 { TNewStaticText }
 
 constructor TNewStaticText.Create(AOwner: TComponent);
@@ -234,15 +192,7 @@ begin
   DC := GetDC(0);
   try
     SelectObject(DC, Font.Handle);
-    { On NT platforms, static controls are Unicode-based internally; when
-      ANSI text is assigned to them, it is converted to Unicode using the
-      system code page (ACP). We must be sure to use the ACP here, too,
-      otherwise the calculated size could be incorrect. The code page used
-      by DrawTextA is defined by the font, and not necessarily equal to the
-      ACP, so we can't use it. (To reproduce: with the ACP set to Hebrew
-      (1255), try passing Hebrew text to DrawTextA with the font set to
-      "Lucida Console". It appears to use CP 1252, not 1255.) }
-    DrawTextACP(DC, S, R, DT_CALCRECT or GetDrawTextFlags);
+    DrawText(DC, PChar(S), Length(S), R, DT_CALCRECT or GetDrawTextFlags);
   finally
     ReleaseDC(0, DC);
   end;

Components/PathFunc.pas

@@ -2,17 +2,11 @@ unit PathFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
-  This unit provides some path-related, MBCS-aware functions.
-
-  These functions should always be used in lieu of their SysUtils counterparts
-  since they aren't MBCS-aware on Delphi 2, and sometimes not MBCS-aware on
-  Delphi 6 and 7 either (see QC#5096).
-
-  $jrsoftware: issrc/Components/PathFunc.pas,v 1.43 2010/04/19 21:43:01 jr Exp $
+  This unit provides some path-related functions.
 }
 
 interface
@@ -66,20 +60,9 @@ begin
 end;
 
 function PathCharLength(const S: String; const Index: Integer): Integer;
-{ Returns the length in bytes of the character at Index in S.
-  Notes:
-  1. If Index specifies the last character in S, 1 will always be returned,
-     even if the last character is a lead byte.
-  2. If a lead byte is followed by a null character (e.g. #131#0), 2 will be
-     returned. This mimics the behavior of MultiByteToWideChar and CharPrev,
-     but not CharNext(P)-P, which would stop on the null. }
+{ Returns the length in characters of the character at Index in S. }
 begin
-  {$IFNDEF UNICODE}
-  if IsDBCSLeadByte(Ord(S[Index])) and (Index < Length(S)) then
-    Result := 2
-  else
-  {$ENDIF}
-    Result := 1;
+  Result := 1;
 end;
 
 function PathCharIsSlash(const C: Char): Boolean;
@@ -188,8 +171,7 @@ function PathDrivePartLengthEx(const Filename: String;
     'x:\file'             -> 3  ('x:\')
     '\\server\share\file' -> 14 ('\\server\share')
     '\file'               -> 1  ('\')
-  Note: This is MBCS-safe, unlike the Delphi's ExtractFileDrive function.
-  (Computer and share names can include multi-byte characters!) }
+}
 var
   Len, I, C: Integer;
 begin
@@ -392,8 +374,8 @@ begin
 end;
 
 function PathLastChar(const S: String): PChar;
-{ Returns pointer to last character in the string. Is MBCS-aware. Returns nil
-  if the string is empty. }
+{ Returns pointer to last character in the string. Returns nil if the string is
+  empty. }
 begin
   if S = '' then
     Result := nil
@@ -426,37 +408,11 @@ end;
 
 function PathLowercase(const S: String): String;
 { Converts the specified path name to lowercase }
-{$IFNDEF UNICODE}
-var
-  I, L: Integer;
-{$ENDIF}
 begin
-  {$IFNDEF UNICODE}
-  if (Win32Platform <> VER_PLATFORM_WIN32_NT) and
-     (GetSystemMetrics(SM_DBCSENABLED) <> 0) then begin
-    { Japanese Windows 98's handling of double-byte Roman characters in
-      filenames is case sensitive, so we can't change the case of double-byte
-      characters. (Japanese Windows NT/2000 is case insensitive, on both FAT
-      and NTFS, in my tests.) Based on code from AnsiLowerCaseFileName. }
-    Result := S;
-    L := Length(Result);
-    I := 1;
-    while I <= L do begin
-      if Result[I] in ['A'..'Z'] then begin
-        Inc(Byte(Result[I]), 32);
-        Inc(I);
-      end
-      else
-        Inc(I, PathCharLength(Result, I));
-    end;
-  end
-  else
-  {$ENDIF}
-    Result := AnsiLowerCase(S);
+  Result := AnsiLowerCase(S);
 end;
 
 function PathPos(Ch: Char; const S: String): Integer;
-{ This is an MBCS-aware Pos function. }
 var
   Len, I: Integer;
 begin
@@ -499,7 +455,7 @@ end;
 
 function PathStartsWith(const S, AStartsWith: String): Boolean;
 { Returns True if S starts with (or is equal to) AStartsWith. Uses path casing
-  rules, and is MBCS-aware. }
+  rules. }
 var
   AStartsWithLen: Integer;
 begin
@@ -513,35 +469,24 @@ begin
 end;
 
 function PathStrNextChar(const S: PChar): PChar;
-{ Returns pointer to the character after S, unless S points to a null (#0).
-  Is MBCS-aware. }
+{ Returns pointer to the character after S, unless S points to a null (#0). }
 begin
-  {$IFNDEF UNICODE}
-  Result := CharNext(S);
-  {$ELSE}
   Result := S;
   if Result^ <> #0 then
     Inc(Result);
-  {$ENDIF}
 end;
 
 function PathStrPrevChar(const Start, Current: PChar): PChar;
-{ Returns pointer to the character before Current, unless Current = Start.
-  Is MBCS-aware. }
+{ Returns pointer to the character before Current, unless Current = Start. }
 begin
-  {$IFNDEF UNICODE}
-  Result := CharPrev(Start, Current);
-  {$ELSE}
   Result := Current;
   if Result > Start then
     Dec(Result);
-  {$ENDIF}
 end;
 
 function PathStrScan(const S: PChar; const C: Char): PChar;
 { Returns pointer to first occurrence of C in S, or nil if there are no
-  occurrences. Like StrScan, but MBCS-aware.
-  Note: As with StrScan, specifying #0 for the search character is legal. }
+  occurrences. As with StrScan, specifying #0 for the search character is legal. }
 begin
   Result := S;
   while Result^ <> C do begin

Components/RestartManager.pas

@@ -1,21 +1,13 @@
 unit RestartManager;
 
 {
-  Basic RestartManager API interface Unit for Delphi 2 and higher
-  by Martijn Laan
+  Basic RestartManager API interface unit by Martijn Laan
 }
 
-{$IFNDEF VER90}
-{$IFNDEF VER93}
-  {$DEFINE Delphi3orHigher}
-{$ENDIF}
-{$ENDIF}
-
 interface
 
 uses
-  {$IFNDEF Delphi3orHigher} OLE2, {$ELSE} ActiveX, {$ENDIF}
-  Windows;
+  ActiveX, Windows;
 
 procedure FreeRestartManagerLibrary;
 function InitRestartManagerLibrary: Boolean;
@@ -151,8 +143,7 @@ function InitRestartManagerLibrary: Boolean;
 begin
   Inc(ReferenceCount);
 
-  { Only attempt to load rstrtmgr.dll if running Windows Vista or later }
-  if (RestartManagerLibrary = 0) and (Lo(GetVersion) >= 6) then
+  if RestartManagerLibrary = 0 then
   begin
     RestartManagerLibrary := LoadLibrary(PChar(AddBackslash(GetSystemDir) + restartmanagerlib));
     if RestartManagerLibrary <> 0 then

Components/RichEditViewer.pas

@@ -72,9 +72,6 @@ uses
   ShellApi, BidiUtils, PathFunc, ComObj;
 
 const
-  { Note: There is no 'W' 1.0 class }
-  RICHEDIT_CLASS10A = 'RICHEDIT';
-  RICHEDIT_CLASSA = 'RichEdit20A';
   RICHEDIT_CLASSW = 'RichEdit20W';
   MSFTEDIT_CLASS = 'RICHEDIT50W';
   EM_AUTOURLDETECT = WM_USER + 91;
@@ -116,7 +113,7 @@ type
 
   TTextRange = record
     chrg: TCharRange;
-    lpstrText: {$IFDEF UNICODE} PWideChar {$ELSE} PAnsiChar {$ENDIF};
+    lpstrText: PWideChar;
   end;
 
 var
@@ -136,22 +133,12 @@ procedure LoadRichEdit;
 
 begin
   if RichEditUseCount = 0 then begin
-    {$IFDEF UNICODE}
     RichEditVersion := 4;
     RichEditModule := LoadLibrary(PChar(AddBackslash(GetSystemDir) + 'MSFTEDIT.DLL'));
-    {$ELSE}
-    RichEditModule := 0;
-    {$ENDIF}
     if RichEditModule = 0 then begin
       RichEditVersion := 2;
       RichEditModule := LoadLibrary(PChar(AddBackslash(GetSystemDir) + 'RICHED20.DLL'));
     end;
-    {$IFNDEF UNICODE}
-    if RichEditModule = 0 then begin
-      RichEditVersion := 1;
-      RichEditModule := LoadLibrary(PChar(AddBackslash(GetSystemDir) + 'RICHED32.DLL'));
-    end;
-    {$ENDIF}
   end;
   Inc(RichEditUseCount);
 end;
@@ -266,17 +253,10 @@ begin
   end;
   inherited;
   if UseRichEdit then begin
-    {$IFDEF UNICODE}
     if RichEditVersion = 4 then
       CreateSubClass(Params, MSFTEDIT_CLASS)
     else
       CreateSubClass(Params, RICHEDIT_CLASSW);
-    {$ELSE}
-    if RichEditVersion = 2 then
-      CreateSubClass(Params, RICHEDIT_CLASSA)
-    else
-      CreateSubClass(Params, RICHEDIT_CLASS10A);
-    {$ENDIF}
   end else
     { Inherited handler creates a subclass of 'EDIT'.
       Must have a unique class name since it uses two different classes

Components/ScintEdit.pas

@@ -2,7 +2,7 @@ unit ScintEdit;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -25,7 +25,7 @@ type
   TScintEditCharAddedEvent = procedure(Sender: TObject; Ch: AnsiChar) of object;
   TScintEditDropFilesEvent = procedure(Sender: TObject; X, Y: Integer;
     AFiles: TStrings) of object;
-  TScintHintInfo = {$IFDEF UNICODE} Controls. {$ENDIF} THintInfo;
+  TScintHintInfo = Controls.THintInfo;
   TScintEditHintShowEvent = procedure(Sender: TObject;
     var Info: TScintHintInfo) of object;
   TScintEditMarginClickEvent = procedure(Sender: TObject; MarginNumber: Integer;
@@ -43,7 +43,7 @@ type
     StartPos, EndPos: Integer;
   end;
   TScintRawCharSet = set of AnsiChar;
-  TScintRawString = type {$IFDEF UNICODE} RawByteString {$ELSE} AnsiString {$ENDIF};
+  TScintRawString = type RawByteString;
   TScintRectangle = record
     Left, Top, Right, Bottom: Integer;
   end;
@@ -327,9 +327,6 @@ type
   protected
     procedure CheckIndexRange(const Index: Integer);
     procedure CheckIndexRangePlusOne(const Index: Integer);
-{$IFNDEF UNICODE}
-    class procedure Error(Msg: PResStringRec; Data: Integer);
-{$ENDIF}
     function Get(Index: Integer): String; override;
     function GetCount: Integer; override;
     function GetTextStr: String; override;
@@ -552,7 +549,6 @@ begin
 end;
 
 function TScintEdit.ConvertRawStringToString(const S: TScintRawString): String;
-{$IFDEF UNICODE}
 var
   SrcLen, DestLen: Integer;
   DestStr: UnicodeString;
@@ -569,22 +565,14 @@ begin
   end;
   Result := DestStr;
 end;
-{$ELSE}
-begin
-  Result := S;
-end;
-{$ENDIF}
 
 function TScintEdit.ConvertPCharToRawString(const Text: PChar;
   const TextLen: Integer): TScintRawString;
 var
-{$IFDEF UNICODE}
   DestLen: Integer;
-{$ENDIF}
   DestStr: TScintRawString;
 begin
   if TextLen > 0 then begin
-{$IFDEF UNICODE}
     DestLen := WideCharToMultiByte(FCodePage, 0, Text, TextLen, nil, 0, nil, nil);
     if DestLen <= 0 then
       Error('WideCharToMultiByte failed');
@@ -592,20 +580,13 @@ begin
     if WideCharToMultiByte(FCodePage, 0, Text, TextLen, @DestStr[1], Length(DestStr),
        nil, nil) <> DestLen then
       Error('Unexpected result from WideCharToMultiByte');
-{$ELSE}
-    SetString(DestStr, Text, TextLen);
-{$ENDIF}
   end;
   Result := DestStr;
 end;
 
 function TScintEdit.ConvertStringToRawString(const S: String): TScintRawString;
 begin
-{$IFDEF UNICODE}
   Result := ConvertPCharToRawString(PChar(S), Length(S));
-{$ELSE}
-  Result := S;
-{$ENDIF}
 end;
 
 procedure TScintEdit.CopyToClipboard;
@@ -633,12 +614,6 @@ begin
   Call(SCI_SETSCROLLWIDTHTRACKING, 1, 0);
   { The default popup menu conflicts with the VCL's PopupMenu on Delphi 3 }
   Call(SCI_USEPOPUP, 0, 0);
-{$IFNDEF UNICODE}
-  { This hack is needed because non-Unicode VCL replaces the Scintilla's
-    default Unicode window proc with an ANSI one }
-  if Win32Platform = VER_PLATFORM_WIN32_NT then
-    Call(SCI_SETKEYSUNICODE, 1, 0);
-{$ENDIF}
   SetDefaultWordChars;
   ApplyOptions;
   UpdateStyleAttributes;
@@ -1021,11 +996,9 @@ end;
 procedure TScintEdit.InitRawString(var S: TScintRawString; const Len: Integer);
 begin
   SetString(S, nil, Len);
-{$IFDEF UNICODE}
   //experimental, dont need this ATM:
   if FCodePage <> 0 then
     System.SetCodePage(RawByteString(S), FCodePage, False);
-{$ENDIF}
 end;
 
 function TScintEdit.IsPositionInViewVertically(const Pos: Integer): Boolean;
@@ -1869,13 +1842,6 @@ begin
   FEdit.ReplaceRawTextRange(StartPos, EndPos, '');
 end;
 
-{$IFNDEF UNICODE}
-class procedure TScintEditStrings.Error(Msg: PResStringRec; Data: Integer);
-begin
-  TList.Error(LoadResString(Msg), Data);
-end;
-{$ENDIF}
-
 function TScintEditStrings.Get(Index: Integer): String;
 begin
   Result := FEdit.ConvertRawStringToString(GetRawLine(Index));

Components/UxTheme.pas

@@ -44,7 +44,7 @@
 {                                                                              }
 {******************************************************************************}
 
-{ Simplified by Martijn Laan for Inno Setup and Delphi 2 }
+{ Simplified by Martijn Laan for Inno Setup }
 
 unit UxTheme;
 
@@ -1088,19 +1088,6 @@ end;
 
 function InitThemeLibrary: Boolean;
 
-  function IsWindowsXP: Boolean;
-  var
-    Info: TOSVersionInfo;
-  begin
-    Result := False;
-    Info.dwOSVersionInfoSize := SizeOf(Info);
-    if GetVersionEx(Info) then
-      if Info.dwPlatformId = VER_PLATFORM_WIN32_NT then
-        if (Info.dwMajorVersion > 5) or
-           ((Info.dwMajorVersion = 5) and (Info.dwMinorVersion >= 1)) then
-          Result := True;
-  end;
-
   function GetSystemDir: String;
   var
     Buf: array[0..MAX_PATH-1] of Char;
@@ -1112,15 +1099,9 @@ function InitThemeLibrary: Boolean;
 begin
   Inc(ReferenceCount);
 
-  { Only attempt to load uxtheme.dll if running Windows XP or later; otherwise
-    if uxtheme.dll happens to exist on Windows 2000 (it shouldn't unless a
-    bugged installer put it there) we get a "RtlUnhandledExceptionFilter could
-    not be located in the dynamic link library ntdll.dll" error message }
-  if (ThemeLibrary = 0) and IsWindowsXP then
-  begin
+  if ThemeLibrary = 0 then begin
     ThemeLibrary := LoadLibrary(PChar(AddBackslash(GetSystemDir) + themelib));
-    if ThemeLibrary <> 0 then
-    begin
+    if ThemeLibrary <> 0 then begin
       OpenThemeData := GetProcAddress(ThemeLibrary, 'OpenThemeData');
       CloseThemeData := GetProcAddress(ThemeLibrary, 'CloseThemeData');
       DrawThemeBackground := GetProcAddress(ThemeLibrary, 'DrawThemeBackground');

Components/dwTaskbarList.pas

@@ -2,29 +2,21 @@
   http://www.gumpi.com/Blog/2009/01/20/Alpha1OfWindows7ControlsForDelphi.aspx
   MPL licensed } 
 
-{ D2/D3 support and correct IID consts added by Martijn Laan for Inno Setup }
-
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   This unit provides the ITaskbarList3 interface for Windows 7 taskbar progress indicators.
-
-  $jrsoftware: issrc/Components/dwTaskbarList.pas,v 1.5 2010/10/21 02:14:14 jr Exp $
 }
 
-{$IFDEF VER90}
-  {$DEFINE DELPHI2}
-{$ENDIF}
-
 unit dwTaskbarList;
 
 interface
 
 uses
-  Windows {$IFDEF DELPHI2}, OLE2 {$ENDIF};
+  Windows;
 
 const
   CLSID_TaskbarList: TGUID = (
@@ -86,34 +78,6 @@ type
   end;
 
 type
-{$IFDEF DELPHI2}
-  ITaskbarList = class(IUnknown)
-    function HrInit: HRESULT; virtual; stdcall; abstract;
-    function AddTab(hwnd: Cardinal): HRESULT; virtual; stdcall; abstract;
-    function DeleteTab(hwnd: Cardinal): HRESULT; virtual; stdcall; abstract;
-    function ActivateTab(hwnd: Cardinal): HRESULT; virtual; stdcall; abstract;
-    function SetActiveAlt(hwnd: Cardinal): HRESULT; virtual; stdcall; abstract;
-  end;
-
-  ITaskbarList2 = class(ITaskbarList)
-    function MarkFullscreenWindow(hwnd: Cardinal; fFullscreen: Bool): HRESULT; virtual; stdcall; abstract;
-  end;
-
-  ITaskbarList3 = class(ITaskbarList2)
-    function SetProgressValue(hwnd: Cardinal; ullCompleted, ullTotal: dwInteger64): HRESULT; virtual; stdcall; abstract;
-    function SetProgressState(hwnd: Cardinal; tbpFlags: DWORD): HRESULT; virtual; stdcall; abstract;
-    function RegisterTab(hwndTab: Cardinal; hwndMDI: Cardinal): HRESULT; virtual; stdcall; abstract;
-    function UnregisterTab(hwndTab: Cardinal): HRESULT; virtual; stdcall; abstract;
-    function SetTabOrder(hwndTab: Cardinal; hwndInsertBefore: Cardinal): HRESULT; virtual; stdcall; abstract;
-    function SetTabActive(hwndTab: Cardinal; hwndMDI: Cardinal; tbatFlags: DWORD): HRESULT; virtual; stdcall; abstract;
-    function ThumbBarAddButtons(hwnd: Cardinal; cButtons: UINT; Button: THUMBBUTTONLIST): HRESULT; virtual; stdcall; abstract;
-    function ThumbBarUpdateButtons(hwnd: Cardinal; cButtons: UINT; pButton: THUMBBUTTONLIST): HRESULT; virtual; stdcall; abstract;
-    function ThumbBarSetImageList(hwnd: Cardinal; himl: Cardinal): HRESULT; virtual; stdcall; abstract;
-    function SetOverlayIcon(hwnd: Cardinal; hIcon: HICON; pszDescription: LPCWSTR): HRESULT; virtual; stdcall; abstract;
-    function SetThumbnailTooltip(hwnd: Cardinal; pszTip: LPCWSTR): HRESULT; virtual; stdcall; abstract;
-    function SetThumbnailClip(hwnd: Cardinal; prcClip: PRect): HRESULT; virtual; stdcall; abstract;
-  end;
-{$ELSE}
   ITaskbarList = interface
     ['{56FDF342-FD6D-11D0-958A-006097C9A090}']
     function HrInit: HRESULT; stdcall;
@@ -143,7 +107,6 @@ type
     function SetThumbnailTooltip(hwnd: Cardinal; pszTip: LPCWSTR): HRESULT; stdcall;
     function SetThumbnailClip(hwnd: Cardinal; prcClip: PRect): HRESULT; stdcall;
   end;
-{$ENDIF}
 
 implementation
 

ISHelp/ISHelpGen/UIsxclassesParser.pas

@@ -23,13 +23,6 @@ uses
   Windows,
   SysUtils;
 
-{$IFNDEF UNICODE}
-function CharInSet(C: AnsiChar; const CharSet: TSysCharSet): Boolean;
-begin
-  Result := C in CharSet;
-end;
-{$ENDIF}
-
 constructor TIsxclassesParser.Create();
 begin
   inherited;

ISHelp/isetup.xml

@@ -101,7 +101,7 @@ Inno Setup is a <i>free</i> installer for Windows programs by Jordan Russell and
 
 <ul>
 
-<li>Support for every Windows release since 2006, including: Windows 11, Windows 10, Windows 10 on ARM, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 8, Windows Server 2012, Windows 7, Windows Server 2008 R2, Windows Server 2008, and Windows Vista. (No service packs are required.)</li>
+<li>Support for every Windows release since 2009, including: Windows 11, Windows 10, Windows 10 on ARM, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 8, Windows Server 2012, Windows 7, and Windows Server 2008 R2. (No service packs are required.)</li>
 
 <li>Extensive support for installation of <link topic="32vs64bitinstalls">64-bit</link> applications on the 64-bit editions of Windows. The x64, ARM64 and Itanium architectures are all supported.</li>
 
@@ -1953,11 +1953,6 @@ Filename: "http://www.example.com/"
 <flag name="excludefromshowinnewinstall">
 <p>Prevents the Start menu entry for the new shortcut from receiving a highlight on Windows 7 and additionally prevents the new shortcut from being automatically pinned the Start screen on Windows 8 (or later). Ignored on earlier Windows versions.</p>
 </flag>
-<flag name="foldershortcut">
-<p>Creates a special type of shortcut known as a "Folder Shortcut". Normally, when a shortcut to a folder is present on the Start Menu, clicking the item causes a separate Explorer window to open showing the target folder's contents. In contrast, a "folder shortcut" will show the contents of the target folder as a submenu instead of opening a separate window.</p>
-<p>This flag is currently ignored when running on Windows 7 (or later), as folder shortcuts do not expand properly on the Start Menu anymore. It is not known whether this is a bug in Windows 7 or a removed feature.</p>
-<p>When this flag is used, a folder name must be specified in the <tt>Filename</tt> parameter. Specifying the name of a file will result in a non-working shortcut.</p>
-</flag>
 <flag name="preventpinning">
 <p>Prevents a Start menu entry from being pinnable to Taskbar or the Start Menu on Windows 7 (or later). This also makes the entry ineligible for inclusion in the Start menu's Most Frequently Used (MFU) list. Ignored on earlier Windows versions.</p>
 </flag>
@@ -4144,21 +4139,10 @@ Name: portablemode; Description: "Portable Mode"</pre></example>
 <setupvalid><tt>admin</tt>, or <tt>lowest</tt></setupvalid>
 <setupdefault><tt>admin</tt></setupdefault>
 <body>
-<!--
-<p>The effect of this directive depends on which version of Windows the user is running:</p>
-<p><b>On Windows Vista and later:</b></p>
--->
 <p>This directive affects whether elevated rights are requested (via a User Account Control dialog) when the installation is started.</p>
 <p>When set to <tt>admin</tt> (the default), Setup will always run with administrative privileges and in <link topic="admininstallmode">administrative install mode</link>. If Setup was started by an unprivileged user, Windows will ask for the password to an account that has administrative privileges, and Setup will then run under that account.</p>
 <!-- <p>When set to <tt>none</tt>, Setup will only run with administrative privileges if it was started by a member of the Administrators group. Do not use this setting unless you are sure your installation will run successfully on unprivileged accounts.</p> -->
 <p>When set to <tt>lowest</tt>, Setup will not request to be run with administrative privileges even if it was started by a member of the Administrators group and will always run in <link topic="admininstallmode">non administrative install mode</link>. Do not use this setting unless you are sure your installation will run successfully on unprivileged accounts.</p>
-<!--
-<p><b>On earlier versions of Windows:</b></p>
-<p>This directive specifies the minimum user privileges required to run the installation.</p>
-<p>When set to <tt>admin</tt> (the default), Setup will only run if the user is a member of the Administrators group and will always run in <link topic="admininstallmode">administrative install mode</link>. Otherwise, it will display the following message and exit: "You must be logged in as an administrator when installing this program."</p>
-<p>When set to <tt>none</tt> Setup will not check the user's group membership. Do not use this setting unless you are sure your installation will run successfully on unprivileged accounts.</p>
-<p>When set to <tt>lowest</tt> Setup will not check the user's group membership and will always run in <link topic="admininstallmode">non administrative install mode</link>. Do not use this setting unless you are sure your installation will run successfully on unprivileged accounts.</p>
--->
 <p><b>See also:</b><br/>
 <link topic="setup_privilegesrequiredoverridesallowed">PrivilegesRequiredOverridesAllowed</link>
 </p>
@@ -5646,15 +5630,14 @@ SignTool=byparam format c:
 <p>The versions specified in <tt>MinVersion</tt> and <tt>OnlyBelowVersion</tt> can optionally include build numbers and/or service pack levels.</p>
 <examples>
 <pre>
-5.0.2195
-5.0sp4
-5.0.2195sp4
+6.1sp1
+10.0.22000
 </pre>
 </examples>
 <p>If a build number is not specified or is zero, Setup will not check the system's build number.</p>
 <p>If a service pack level is not specified or is zero, Setup will not check the system's service pack level.</p>
-<p>When a service pack level is specified, Setup will only compare it against the system's service pack level if the specified major and minor versions match the system's version. For example, if <tt>MinVersion</tt> specifies <tt>5.0sp4</tt>, Setup will only check for SP4 on Windows 2000 (5.0) systems.</p>
-<p>In an <tt>OnlyBelowVersion</tt> parameter, if the specified version matches the system's version, then Setup will normally consider the system's version to be too high. However, when a service pack level is specified, the specified version is allowed to match the system's version. For example, on Windows 2000 SP4, values of <tt>5.0</tt> and <tt>5.0.2195</tt> will fail the <tt>OnlyBelowVersion</tt> test, but <tt>5.0sp5</tt> and <tt>5.0.2195sp5</tt> will pass (as SP4 &lt; <tt>sp5</tt>).</p>
+<p>When a service pack level is specified, Setup will only compare it against the system's service pack level if the specified major and minor versions match the system's version. For example, if <tt>MinVersion</tt> specifies <tt>6.1sp1</tt>, Setup will only check for SP1 on Windows 7 and Windows Server 2008 R2 (6.1) systems.</p>
+<p>In an <tt>OnlyBelowVersion</tt> parameter, if the specified version matches the system's version, then Setup will normally consider the system's version to be too high. However, when a service pack level is specified, the specified version is allowed to match the system's version.<!-- For example, on Windows 2000 SP4, values of <tt>5.0</tt> and <tt>5.0.2195</tt> will fail the <tt>OnlyBelowVersion</tt> test, but <tt>5.0sp5</tt> and <tt>5.0.2195sp5</tt> will pass (as SP4 &lt; <tt>sp5</tt>). --></p>
 </body>
 </topic>
 
@@ -5662,8 +5645,6 @@ SignTool=byparam format c:
 <keyword value="Windows Versions" />
 <body>
 <table>
-<tr><td>6.0.6000</td><td>Windows Vista</td></tr>
-<tr><td>6.0.6001</td><td>Windows Vista with Service Pack 1<br/>or Windows Server 2008</td></tr>
 <tr><td>6.1.7600</td><td>Windows 7<br/>or Windows Server 2008 R2</td></tr>
 <tr><td>6.1.7601</td><td>Windows 7 with Service Pack 1<br/>or Windows Server 2008 R2 with Service Pack 1</td></tr>
 <tr><td>6.2.9200</td><td>Windows 8<br/>or Windows Server 2012</td></tr>
@@ -5688,7 +5669,7 @@ SignTool=byparam format c:
 <tr><td>10.0.22621</td><td>Windows 11 Version 22H2 (2022 Update)</td></tr>
 <tr><td>10.0.22631</td><td>Windows 11 Version 23H2 (2023 Update)</td></tr>
 </table>
-<p>Note that there is normally no need to specify the build numbers (i.e., you may simply use "6.2" for Windows 8).</p>
+<p>Note that except for Windows 11 there is normally no need to specify the build numbers (i.e., you may simply use "6.2" for Windows 8).</p>
 </body>
 </topic>
 

Projects/BrowseFunc.pas

@@ -2,13 +2,11 @@ unit BrowseFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   Functions for browsing for folders/files
-
-  $jrsoftware: issrc/Projects/BrowseFunc.pas,v 1.9 2010/09/10 01:08:44 jr Exp $
 }
 
 interface
@@ -33,7 +31,7 @@ function NewGetSaveFileName(const Prompt: String; var FileName: String;
 implementation
 
 uses
-  CommDlg, ShlObj, {$IFNDEF Delphi3orHigher} Ole2, {$ELSE} ActiveX, {$ENDIF}
+  CommDlg, ShlObj, ActiveX,
   PathFunc;
 
 function BrowseCallback(Wnd: HWND; uMsg: UINT; lParam, lpData: LPARAM): Integer; stdcall;

Projects/CmnFunc.pas

@@ -2,7 +2,7 @@ unit CmnFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -209,62 +209,10 @@ begin
   end;
 end;
 
-{$IFNDEF IS_D4}
-function MoveAppWindowToActiveWindowMonitor(var OldRect: TRect): Boolean;
-{ This moves the application window (Application.Handle) to the same monitor
-  as the active window, so that a subsequent call to Application.MessageBox
-  displays the message box on that monitor. Based on code from D4+'s
-  TApplication.MessageBox. }
-type
-  HMONITOR = type THandle;
-  TMonitorInfo = record
-    cbSize: DWORD;
-    rcMonitor: TRect;
-    rcWork: TRect;
-    dwFlags: DWORD;
-  end;
-const
-  MONITOR_DEFAULTTONEAREST = $00000002;
-var
-  ActiveWindow: HWND;
-  Module: HMODULE;
-  MonitorFromWindow: function(hwnd: HWND; dwFlags: DWORD): HMONITOR; stdcall;
-  GetMonitorInfo: function(hMonitor: HMONITOR; var lpmi: TMonitorInfo): BOOL; stdcall;
-  MBMonitor, AppMonitor: HMONITOR;
-  Info: TMonitorInfo;
-begin
-  Result := False;
-  ActiveWindow := GetActiveWindow;
-  if ActiveWindow = 0 then Exit;
-  Module := GetModuleHandle(user32);
-  MonitorFromWindow := GetProcAddress(Module, 'MonitorFromWindow');
-  GetMonitorInfo := GetProcAddress(Module, 'GetMonitorInfoA');
-  if Assigned(MonitorFromWindow) and Assigned(GetMonitorInfo) then begin
-    MBMonitor := MonitorFromWindow(ActiveWindow, MONITOR_DEFAULTTONEAREST);
-    AppMonitor := MonitorFromWindow(Application.Handle, MONITOR_DEFAULTTONEAREST);
-    if MBMonitor <> AppMonitor then begin
-      Info.cbSize := SizeOf(Info);
-      if GetMonitorInfo(MBMonitor, Info) then begin
-        GetWindowRect(Application.Handle, OldRect);
-        SetWindowPos(Application.Handle, 0,
-          Info.rcMonitor.Left + ((Info.rcMonitor.Right - Info.rcMonitor.Left) div 2),
-          Info.rcMonitor.Top + ((Info.rcMonitor.Bottom - Info.rcMonitor.Top) div 2),
-          0, 0, SWP_NOACTIVATE or SWP_NOREDRAW or SWP_NOSIZE or SWP_NOZORDER);
-        Result := True;
-      end;
-    end;
-  end;
-end;
-{$ENDIF}
-
 function AppMessageBox(const Text, Caption: PChar; Flags: Longint): Integer;
 var
   ActiveWindow: HWND;
   WindowList: Pointer;
-{$IFNDEF IS_D4}
-  DidMove: Boolean;
-  OldRect: TRect;
-{$ENDIF}
 begin
   if MessageBoxRightToLeft then
     Flags := Flags or (MB_RTLREADING or MB_RIGHT);
@@ -289,31 +237,7 @@ begin
       Exit;
     end;
 
-{$IFDEF IS_D4}
-    { On Delphi 4+, simply call Application.MessageBox }
     Result := Application.MessageBox(Text, Caption, Flags);
-{$ELSE}
-    { Use custom implementation on Delphi 2 and 3. The Flags parameter is
-      incorrectly declared as a Word on Delphi 2's Application.MessageBox, and
-      there is no support for multiple monitors. }
-    DidMove := MoveAppWindowToActiveWindowMonitor(OldRect);
-    try
-      ActiveWindow := GetActiveWindow;
-      WindowList := DisableTaskWindows(0);
-      try
-        Result := MessageBox(Application.Handle, Text, Caption, Flags);
-      finally
-        EnableTaskWindows(WindowList);
-        SetActiveWindow(ActiveWindow);
-      end;
-    finally
-      if DidMove then
-        SetWindowPos(Application.Handle, 0,
-          OldRect.Left + ((OldRect.Right - OldRect.Left) div 2),
-          OldRect.Top + ((OldRect.Bottom - OldRect.Top) div 2),
-          0, 0, SWP_NOACTIVATE or SWP_NOREDRAW or SWP_NOSIZE or SWP_NOZORDER);
-    end;
-{$ENDIF}
   finally
     TriggerMessageBoxCallbackFunc(Flags, True);
   end;
@@ -429,9 +353,6 @@ begin
     FOwnerWnd := CreateWindowEx(0, WindowDisablerWndClassName, '',
       WS_POPUP or WS_DISABLED, 0, 0, 0, 0, HWND_DESKTOP, 0, HInstance, nil);
     if FOwnerWnd <> 0 then begin
-      { Note: We give the window a valid title since the user can see it in the
-        Alt+Tab list (on 2000 and XP, but not Vista, which appears to exclude
-        zero-width/height windows). }
       FFallbackWnd := CreateWindowEx(0, WindowDisablerWndClassName,
         PChar(Application.Title), WS_POPUP, 0, 0, 0, 0, FOwnerWnd, 0,
         HInstance, nil);

Projects/CmnFunc2.pas

@@ -2,7 +2,7 @@ unit CmnFunc2;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -18,28 +18,11 @@ interface
 uses
   Windows, SysUtils;
 
-{ Delphi 2.01's RegStr unit should never be used because it contains many
-  wrong declarations. Delphi 3's RegStr unit doesn't have this problem, but
-  for backward compatibility, it defines a few of the correct registry key
-  constants here. }
 const
-  { Do NOT localize any of these }
-  NEWREGSTR_PATH_SETUP = 'Software\Microsoft\Windows\CurrentVersion';
-  NEWREGSTR_PATH_EXPLORER = NEWREGSTR_PATH_SETUP + '\Explorer';
-  NEWREGSTR_PATH_SPECIAL_FOLDERS = NEWREGSTR_PATH_EXPLORER + '\Shell Folders';
-  NEWREGSTR_PATH_UNINSTALL = NEWREGSTR_PATH_SETUP + '\Uninstall';
-  NEWREGSTR_VAL_UNINSTALLER_DISPLAYNAME = 'DisplayName';
-  NEWREGSTR_VAL_UNINSTALLER_COMMANDLINE = 'UninstallString';
-
   KEY_WOW64_64KEY = $0100;
 
 type
-{$IFNDEF UNICODE}
-  PLeadByteSet = ^TLeadByteSet;
-  TLeadByteSet = set of AnsiChar;
-{$ENDIF}
-
-  TOneShotTimer = {$IFDEF UNICODE} record {$ELSE} object {$ENDIF}
+  TOneShotTimer = record
   private
     FLastElapsed: Cardinal;
     FStartTick: DWORD;
@@ -88,7 +71,6 @@ function StringChange(var S: String; const FromStr, ToStr: String): Integer;
 function StringChangeEx(var S: String; const FromStr, ToStr: String;
   const SupportDBCS: Boolean): Integer;
 function AdjustLength(var S: String; const Res: Cardinal): Boolean;
-function UsingWinNT: Boolean;
 function ConvertConstPercentStr(var S: String): Boolean;
 function ConvertPercentStr(var S: String): Boolean;
 function ConstPos(const Ch: Char; const S: String): Integer;
@@ -111,10 +93,6 @@ function IsAdminLoggedOn: Boolean;
 function IsPowerUserLoggedOn: Boolean;
 function IsMultiByteString(const S: AnsiString): Boolean;
 function FontExists(const FaceName: String): Boolean;
-{$IFNDEF IS_D5}
-procedure FreeAndNil(var Obj);
-function SafeLoadLibrary(const Filename: String; ErrorMode: UINT): HMODULE;
-{$ENDIF}
 function GetUILanguage: LANGID;
 function RemoveAccelChar(const S: String): String;
 function GetTextWidth(const DC: HDC; S: String; const Prefix: Boolean): Integer;
@@ -125,20 +103,9 @@ function IsWildcard(const Pattern: String): Boolean;
 function WildcardMatch(const Text, Pattern: PChar): Boolean;
 function IntMax(const A, B: Integer): Integer;
 function Win32ErrorString(ErrorCode: Integer): String;
-{$IFNDEF UNICODE}
-procedure GetLeadBytes(var ALeadBytes: TLeadByteSet);
-{$ENDIF}
-{$IFNDEF IS_D3}
-function CompareMem(P1, P2: Pointer; Length: Integer): Boolean;
-{$ENDIF}
 function DeleteDirTree(const Dir: String): Boolean;
 function SetNTFSCompression(const FileOrDir: String; Compress: Boolean): Boolean;
 procedure AddToWindowMessageFilterEx(const Wnd: HWND; const Msg: UINT);
-{$IFNDEF UNICODE}
-type
-  TSysCharSet = set of AnsiChar;
-function CharInSet(C: AnsiChar; const CharSet: TSysCharSet): Boolean;
-{$ENDIF}
 function ShutdownBlockReasonCreate(Wnd: HWND; const Reason: String): Boolean;
 function ShutdownBlockReasonDestroy(Wnd: HWND): Boolean;
 function TryStrToBoolean(const S: String; var BoolResult: Boolean): Boolean;
@@ -147,17 +114,10 @@ function MoveFileReplace(const ExistingFileName, NewFileName: String): Boolean;
 procedure TryEnableAutoCompleteFileSystem(Wnd: HWND);
 procedure CreateMutex(const MutexName: String);
 
-{$IFNDEF UNICODE}
-var
-  ConstLeadBytes: PLeadByteSet = nil;
-{$ENDIF}
-
 implementation
 
 uses
-  {$IFNDEF Delphi3orHigher} OLE2, ShlObj, {$ENDIF} PathFunc;
-
-{$IFDEF Delphi3orHigher}
+  PathFunc;
 
 { Avoid including Variants (via ActiveX and ShlObj) in SetupLdr (SetupLdr uses CmnFunc2), saving 26 KB. }
 
@@ -194,9 +154,8 @@ function SHGetMalloc(var ppMalloc: IMalloc): HResult; stdcall; external shell32
 function SHGetSpecialFolderLocation(hwndOwner: HWND; nFolder: Integer;
   var ppidl: PItemIDList): HResult; stdcall; external shell32 name 'SHGetSpecialFolderLocation';
 function SHGetPathFromIDList(pidl: PItemIDList; pszPath: PChar): BOOL; stdcall;
-  external shell32 name {$IFDEF UNICODE}'SHGetPathFromIDListW'{$ELSE}'SHGetPathFromIDListA'{$ENDIF};
+  external shell32 name 'SHGetPathFromIDListW';
 
-{$ENDIF}
 
 function InternalGetFileAttr(const Name: String): Integer;
 begin
@@ -592,11 +551,6 @@ begin
                    Exit;
                  end;
                end;
-        else
-          {$IFNDEF UNICODE}
-          if S[Result] in ConstLeadBytes^ then
-            Inc(Result);
-          {$ENDIF}
         end;
         Inc(Result);
       end;
@@ -641,11 +595,6 @@ begin
              Delete(S, I+1, 2);
              S[I] := Chr(C);
            end;
-    else
-      {$IFNDEF UNICODE}
-      if S[I] in ConstLeadBytes^ then
-        Inc(I);
-      {$ENDIF}
     end;
     Inc(I);
   end;
@@ -670,13 +619,8 @@ begin
       if I = 0 then
         Break;
     end
-    else begin
-      {$IFNDEF UNICODE}
-      if S[I] in ConstLeadBytes^ then
-        Inc(I);
-      {$ENDIF}
+    else
       Inc(I);
-    end;
   end;
 end;
 
@@ -737,19 +681,13 @@ function GetSysWow64Dir: String;
   Returns '' if there is no SysWow64 directory (e.g. running 32-bit Windows). }
 var
   GetSystemWow64DirectoryFunc: function(
-    lpBuffer: {$IFDEF UNICODE} PWideChar {$ELSE} PAnsiChar {$ENDIF};
-    uSize: UINT): UINT; stdcall;
+    lpBuffer: PWideChar; uSize: UINT): UINT; stdcall;
   Res: Integer;
   Buf: array[0..MAX_PATH] of Char;
 begin
   Result := '';
   GetSystemWow64DirectoryFunc := GetProcAddress(GetModuleHandle(kernel32),
-    {$IFDEF UNICODE}
-      'GetSystemWow64DirectoryW'
-    {$ELSE}
-      'GetSystemWow64DirectoryA'
-    {$ENDIF} );
-  { Note: This function does exist on 32-bit XP, but always returns 0 }
+      'GetSystemWow64DirectoryW');
   if Assigned(GetSystemWow64DirectoryFunc) then begin
     Res := GetSystemWow64DirectoryFunc(Buf, SizeOf(Buf) div SizeOf(Buf[0]));
     if (Res > 0) and (Res < SizeOf(Buf) div SizeOf(Buf[0])) then
@@ -764,9 +702,8 @@ begin
   { From MSDN: 32-bit applications can access the native system directory by
     substituting %windir%\Sysnative for %windir%\System32. WOW64 recognizes
     Sysnative as a special alias used to indicate that the file system should
-    not redirect the access. The Sysnative alias was added starting
-    with Windows Vista. }
-  if IsWin64 and (Lo(GetVersion) >= 6) then
+    not redirect the access. }
+  if IsWin64 then
     { Note: Avoiding GetWinDir here as that might not return the real Windows
       directory under Terminal Services }
     Result := PathExpand(AddBackslash(GetSystemDir) + '..\Sysnative') { Do not localize }
@@ -786,13 +723,11 @@ begin
   Result := GetEnv('TEMP');
   if (Result <> '') and DirExists(Result) then
     goto 1;
-  if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-    { Like Windows 2000's GetTempPath, return USERPROFILE when TMP and TEMP
-      are not set }
-    Result := GetEnv('USERPROFILE');
-    if (Result <> '') and DirExists(Result) then
-      goto 1;
-  end;
+  { Like Windows 2000's GetTempPath, return USERPROFILE when TMP and TEMP
+    are not set }
+  Result := GetEnv('USERPROFILE');
+  if (Result <> '') and DirExists(Result) then
+    goto 1;
   Result := GetWinDir;
 1:Result := AddBackslash(PathExpand(Result));
 end;
@@ -851,13 +786,6 @@ begin
   SetLength(S, Res);
 end;
 
-function UsingWinNT: Boolean;
-{ Returns True if system is running any version of Windows NT. Never returns
-  True on Windows 95 or 3.1. }
-begin
-  Result := Win32Platform = VER_PLATFORM_WIN32_NT;
-end;
-
 function InternalRegQueryStringValue(H: HKEY; Name: PChar; var ResultStr: String;
   Type1, Type2: DWORD): Boolean;
 var
@@ -939,33 +867,8 @@ end;
 function RegValueExists(H: HKEY; Name: PChar): Boolean;
 { Returns True if the specified value exists. Requires KEY_QUERY_VALUE access
   to the key. }
-var
-  I: Integer;
-  EnumName: array[0..1] of Char;
-  Count: DWORD;
-  ErrorCode: Longint;
 begin
   Result := RegQueryValueEx(H, Name, nil, nil, nil, nil) = ERROR_SUCCESS;
-  if Result and ((Name = nil) or (Name^ = #0)) and
-     (Win32Platform <> VER_PLATFORM_WIN32_NT) then begin
-    { On Win9x/Me a default value always exists according to RegQueryValueEx,
-      so it must use RegEnumValue instead to check if a default value
-      really exists }
-    Result := False;
-    I := 0;
-    while True do begin
-      Count := SizeOf(EnumName) div SizeOf(EnumName[0]);
-      ErrorCode := RegEnumValue(H, I, EnumName, Count, nil, nil, nil, nil);
-      if (ErrorCode <> ERROR_SUCCESS) and (ErrorCode <> ERROR_MORE_DATA) then
-        Break;
-      { is it the default value? }
-      if (ErrorCode = ERROR_SUCCESS) and (EnumName[0] = #0) then begin
-        Result := True;
-        Break;
-      end;
-      Inc(I);
-    end;
-  end;
 end;
 
 function RegCreateKeyExView(const RegView: TRegView; hKey: HKEY; lpSubKey: PChar;
@@ -989,8 +892,7 @@ end;
 
 var
   RegDeleteKeyExFunc: function(hKey: HKEY;
-    lpSubKey: {$IFDEF UNICODE} PWideChar {$ELSE} PAnsiChar {$ENDIF};
-    samDesired: REGSAM; Reserved: DWORD): Longint; stdcall;
+    lpSubKey: PWideChar; samDesired: REGSAM; Reserved: DWORD): Longint; stdcall;
 
 function RegDeleteKeyView(const RegView: TRegView; const Key: HKEY;
   const Name: PChar): Longint;
@@ -1000,11 +902,7 @@ begin
   else begin
     if @RegDeleteKeyExFunc = nil then
       RegDeleteKeyExFunc := GetProcAddress(GetModuleHandle(advapi32),
-        {$IFDEF UNICODE}
-          'RegDeleteKeyExW'
-        {$ELSE}
-          'RegDeleteKeyExA'
-        {$ENDIF} );
+          'RegDeleteKeyExW');
     if Assigned(RegDeleteKeyExFunc) then
       Result := RegDeleteKeyExFunc(Key, Name, KEY_WOW64_64KEY, 0)
     else
@@ -1026,32 +924,30 @@ begin
     Result := ERROR_INVALID_PARAMETER;
     Exit;
   end;
-  if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-    if RegOpenKeyExView(RegView, Key, Name, 0, KEY_ENUMERATE_SUB_KEYS, H) = ERROR_SUCCESS then begin
-      try
-        SetString(KeyName, nil, 256);
-        I := 0;
-        while True do begin
-          KeyNameCount := Length(KeyName);
-          ErrorCode := RegEnumKeyEx(H, I, @KeyName[1], KeyNameCount, nil, nil, nil, nil);
-          if ErrorCode = ERROR_MORE_DATA then begin
-            { Double the size of the buffer and try again }
-            if Length(KeyName) >= 65536 then begin
-              { Sanity check: If we tried a 64 KB buffer and it's still saying
-                there's more data, something must be seriously wrong. Bail. }
-              Break;
-            end;
-            SetString(KeyName, nil, Length(KeyName) * 2);
-            Continue;
-          end;
-          if ErrorCode <> ERROR_SUCCESS then
+  if RegOpenKeyExView(RegView, Key, Name, 0, KEY_ENUMERATE_SUB_KEYS, H) = ERROR_SUCCESS then begin
+    try
+      SetString(KeyName, nil, 256);
+      I := 0;
+      while True do begin
+        KeyNameCount := Length(KeyName);
+        ErrorCode := RegEnumKeyEx(H, I, @KeyName[1], KeyNameCount, nil, nil, nil, nil);
+        if ErrorCode = ERROR_MORE_DATA then begin
+          { Double the size of the buffer and try again }
+          if Length(KeyName) >= 65536 then begin
+            { Sanity check: If we tried a 64 KB buffer and it's still saying
+              there's more data, something must be seriously wrong. Bail. }
             Break;
-          if RegDeleteKeyIncludingSubkeys(RegView, H, PChar(KeyName)) <> ERROR_SUCCESS then
-            Inc(I);
+          end;
+          SetString(KeyName, nil, Length(KeyName) * 2);
+          Continue;
         end;
-      finally
-        RegCloseKey(H);
+        if ErrorCode <> ERROR_SUCCESS then
+          Break;
+        if RegDeleteKeyIncludingSubkeys(RegView, H, PChar(KeyName)) <> ERROR_SUCCESS then
+          Inc(I);
       end;
+    finally
+      RegCloseKey(H);
     end;
   end;
   Result := RegDeleteKeyView(RegView, Key, Name);
@@ -1106,8 +1002,7 @@ var
   StringSid: PWideChar;
 begin
   Result := '';
-  if not OpenProcessToken(GetCurrentProcess, TOKEN_QUERY,
-      {$IFDEF Delphi3orHigher} Token {$ELSE} @Token {$ENDIF}) then
+  if not OpenProcessToken(GetCurrentProcess, TOKEN_QUERY, Token) then
     Exit;
   UserInfo := nil;
   try
@@ -1133,7 +1028,7 @@ end;
 
 function IsMemberOfGroup(const DomainAliasRid: DWORD): Boolean;
 { Returns True if the logged-on user is a member of the specified local
-  group. Always returns True on Windows 9x/Me. }
+  group. }
 const
   SECURITY_NT_AUTHORITY: TSIDIdentifierAuthority =
     (Value: (0, 0, 0, 0, 0, 5));
@@ -1150,11 +1045,6 @@ var
   GroupInfo: PTokenGroups;
   I: Integer;
 begin
-  if Win32Platform <> VER_PLATFORM_WIN32_NT then begin
-    Result := True;
-    Exit;
-  end;
-
   Result := False;
 
   if not AllocateAndInitializeSid(SECURITY_NT_AUTHORITY, 2,
@@ -1168,22 +1058,18 @@ begin
       access token. This function eliminates potential misinterpretations of
       the active group membership if changes to access tokens are made in
       future releases." }
-    CheckTokenMembership := nil;
-    if Lo(GetVersion) >= 5 then
-      CheckTokenMembership := GetProcAddress(GetModuleHandle(advapi32),
-        'CheckTokenMembership');
+    CheckTokenMembership := GetProcAddress(GetModuleHandle(advapi32),
+      'CheckTokenMembership');
     if Assigned(CheckTokenMembership) then begin
       if CheckTokenMembership(0, Sid, IsMember) then
         Result := IsMember;
     end
-    else begin
+    else begin { Should never happen }
       GroupInfo := nil;
-      if not OpenThreadToken(GetCurrentThread, TOKEN_QUERY, True,
-         {$IFDEF Delphi3orHigher} Token {$ELSE} @Token {$ENDIF}) then begin
+      if not OpenThreadToken(GetCurrentThread, TOKEN_QUERY, True, Token) then begin
         if GetLastError <> ERROR_NO_TOKEN then
           Exit;
-        if not OpenProcessToken(GetCurrentProcess, TOKEN_QUERY,
-           {$IFDEF Delphi3orHigher} Token {$ELSE} @Token {$ENDIF}) then
+        if not OpenProcessToken(GetCurrentProcess, TOKEN_QUERY, Token) then
           Exit;
       end;
       try
@@ -1217,7 +1103,7 @@ end;
 
 function IsAdminLoggedOn: Boolean;
 { Returns True if the logged-on user is a member of the Administrators local
-  group. Always returns True on Windows 9x/Me. }
+  group. }
 const
   DOMAIN_ALIAS_RID_ADMINS = $00000220;
 begin
@@ -1226,7 +1112,7 @@ end;
 
 function IsPowerUserLoggedOn: Boolean;
 { Returns True if the logged-on user is a member of the Power Users local
-  group. Always returns True on Windows 9x/Me. }
+  group. }
 const
   DOMAIN_ALIAS_RID_POWER_USERS = $00000223;
 begin
@@ -1265,42 +1151,6 @@ begin
   end;
 end;
 
-{$IFNDEF IS_D5}
-procedure FreeAndNil(var Obj);
-var
-  Temp: TObject;
-begin
-  Temp := TObject(Obj);
-  Pointer(Obj) := nil;
-  Temp.Free;
-end;
-{$ENDIF}
-
-{$IFNDEF IS_D5}
-function SafeLoadLibrary(const Filename: String; ErrorMode: UINT): HMODULE;
-var
-  SaveErrorMode: UINT;
-  SaveFPUControlWord: Word;
-begin
-  SaveErrorMode := SetErrorMode(ErrorMode);
-  try
-    asm
-      FNSTCW SaveFPUControlWord
-    end;
-    try
-      Result := LoadLibrary(PChar(Filename));
-    finally
-      asm
-        FNCLEX
-        FLDCW SaveFPUControlWord
-      end;
-    end;
-  finally
-    SetErrorMode(SaveErrorMode);
-  end;
-end;
-{$ENDIF}
-
 function GetUILanguage: LANGID;
 { Platform-independent version of GetUserDefaultUILanguage. May return 0 in
   case of failure. }
@@ -1313,24 +1163,14 @@ begin
   GetUserDefaultUILanguage := GetProcAddress(GetModuleHandle(kernel32),
     'GetUserDefaultUILanguage');
   if Assigned(GetUserDefaultUILanguage) then
-    { This function is available on Windows 2000, Me, and later }
     Result := GetUserDefaultUILanguage
   else begin
-    if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-      { Windows NT 4.0 }
-      if RegOpenKeyExView(rvDefault, HKEY_USERS, '.DEFAULT\Control Panel\International',
-         0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
-        RegQueryStringValue(K, 'Locale', S);
-        RegCloseKey(K);
-      end;
-    end
-    else begin
-      { Windows 95/98 }
-      if RegOpenKeyExView(rvDefault, HKEY_CURRENT_USER, 'Control Panel\Desktop\ResourceLocale',
-         0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
-        RegQueryStringValue(K, '', S);
-        RegCloseKey(K);
-      end;
+    { GetUserDefaultUILanguage is available on Windows 2000, Me, and later so
+      should never get here }
+    if RegOpenKeyExView(rvDefault, HKEY_USERS, '.DEFAULT\Control Panel\International',
+       0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
+      RegQueryStringValue(K, 'Locale', S);
+      RegCloseKey(K);
     end;
     Val('$' + S, Result, E);
     if E <> 0 then
@@ -1493,49 +1333,6 @@ begin
   SetString(Result, Buffer, Len);
 end;
 
-{$IFNDEF UNICODE}
-procedure GetLeadBytes(var ALeadBytes: TLeadByteSet);
-var
-  AnsiCPInfo: TCPInfo;
-  I: Integer;
-  J: Byte;
-begin
-  ALeadBytes := [];
-  if GetCPInfo(CP_ACP, AnsiCPInfo) then
-    with AnsiCPInfo do begin
-      I := 0;
-      while (I < MAX_LEADBYTES) and ((LeadByte[I] or LeadByte[I+1]) <> 0) do begin
-        for J := LeadByte[I] to LeadByte[I+1] do
-          Include(ALeadBytes, AnsiChar(J));
-        Inc(I, 2);
-      end;
-    end;
-end;
-{$ENDIF}
-
-{$IFNDEF IS_D3}
-function CompareMem(P1, P2: Pointer; Length: Integer): Boolean;
-asm
-        PUSH    ESI
-        PUSH    EDI
-        MOV     ESI,P1
-        MOV     EDI,P2
-        MOV     EDX,ECX
-        XOR     EAX,EAX
-        AND     EDX,3
-        SHR     ECX,1
-        SHR     ECX,1
-        REPE    CMPSD
-        JNE     @@2
-        MOV     ECX,EDX
-        REPE    CMPSB
-        JNE     @@2
-@@1:    INC     EAX
-@@2:    POP     EDI
-        POP     ESI
-end;
-{$ENDIF}
-
 function DeleteDirTree(const Dir: String): Boolean;
 { Removes the specified directory including any files/subdirectories inside
   it. Returns True if successful. }
@@ -1603,8 +1400,7 @@ var
     action: DWORD; pChangeFilterStruct: Pointer): BOOL; stdcall;
 
 procedure AddToWindowMessageFilter(const Msg: UINT);
-{ Adds a single message number to the process-wide message filter on Windows
-  Vista and later. Has no effect on prior Windows versions. }
+{ Adds a single message number to the process-wide message filter. }
 const
   MSGFLT_ADD = 1;
 begin
@@ -1618,9 +1414,9 @@ begin
 end;
 
 procedure AddToWindowMessageFilterEx(const Wnd: HWND; const Msg: UINT);
-{ Adds a single message number to Wnd's window-specific message filter, which
-  is supported on Windows 7 and later. On Windows Vista, it falls back to
-  modifying the process-wide message filter. }
+{ Adds a single message number to Wnd's window-specific message filter. Falls
+  back to modifying the process-wide message filter but in reality that should
+  never happen. }
 const
   MSGFLT_ALLOW = 1;
 begin
@@ -1635,34 +1431,18 @@ begin
     AddToWindowMessageFilter(Msg);
 end;
 
-{$IFNDEF UNICODE}
-function CharInSet(C: AnsiChar; const CharSet: TSysCharSet): Boolean;
-begin
-  Result := C in CharSet;
-end;
-{$ENDIF}
-
 function ShutdownBlockReasonCreate(Wnd: HWND; const Reason: String): Boolean;
 var
   ShutdownBlockReasonCreateFunc: function(Wnd: HWND; pwszReason: LPCWSTR): Bool; stdcall;
-{$IFNDEF UNICODE}
-  Buf: array[0..4095] of WideChar;
-{$ENDIF}
 begin
   { MSDN doesn't say whether you must call Destroy before a second Create, but it does say a Destroy
     without a previous Create is a no-op, so call Destroy for safety. }
   ShutdownBlockReasonDestroy(Wnd);
 
   ShutdownBlockReasonCreateFunc := GetProcAddress(GetModuleHandle(user32), 'ShutdownBlockReasonCreate');
-  if Assigned(ShutdownBlockReasonCreateFunc) then begin
-{$IFDEF UNICODE}
-    Result := ShutdownBlockReasonCreateFunc(Wnd, PChar(Reason));
-{$ELSE}
-    Buf[MultiByteToWideChar(CP_ACP, 0, PChar(Reason), Length(Reason), Buf,
-      (SizeOf(Buf) div SizeOf(Buf[0])) - 1)] := #0;
-    Result := ShutdownBlockReasonCreateFunc(Wnd, Buf);
-{$ENDIF}
-  end else
+  if Assigned(ShutdownBlockReasonCreateFunc) then
+    Result := ShutdownBlockReasonCreateFunc(Wnd, PChar(Reason))
+  else
     Result := False;
 end;
 
@@ -1698,15 +1478,8 @@ end;
 
 function MoveFileReplace(const ExistingFileName, NewFileName: String): Boolean;
 begin
-  if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-    Result := MoveFileEx(PChar(ExistingFileName), PChar(NewFileName),
-      MOVEFILE_REPLACE_EXISTING);
-  end
-  else begin
-    Result := DeleteFile(PChar(NewFileName));
-    if Result or (GetLastError = ERROR_FILE_NOT_FOUND) then
-      Result := MoveFile(PChar(ExistingFileName), PChar(NewFileName));
-  end;
+  Result := MoveFileEx(PChar(ExistingFileName), PChar(NewFileName),
+    MOVEFILE_REPLACE_EXISTING);
 end;
 
 var

Projects/CompExeUpdate.pas

@@ -2,7 +2,7 @@ unit CompExeUpdate;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -17,23 +17,22 @@ uses
 {$I VERSION.INC}
 
 procedure UpdateSetupPEHeaderFields(const F: TCustomFile;
-  const IsVistaCompatible, IsTSAware, IsDEPCompatible, IsASLRCompatible: Boolean);
+  const IsTSAware, IsDEPCompatible, IsASLRCompatible: Boolean);
 procedure UpdateIcons(const FileName, IcoFileName: String; const DeleteUninstallIcon: Boolean);
 procedure UpdateVersionInfo(const F: TCustomFile;
   const NewBinaryFileVersion, NewBinaryProductVersion: TFileVersionNumbers;
   const NewCompanyName, NewFileDescription, NewTextFileVersion, NewLegalCopyright,
   NewProductName, NewTextProductVersion, NewOriginalFileName: String;
   const SetFileVersionAndDescription: Boolean);
-procedure RemoveManifestDllHijackProtection(const F: TCustomFile; const TestBlockOnly: Boolean);
 procedure PreventCOMCTL32Sideloading(const F: TCustomFile);
 
 implementation
 
 uses
-  ResUpdate{$IFDEF UNICODE}, Math{$ENDIF}, Int64Em;
+  ResUpdate, Math, Int64Em;
 
 procedure UpdateSetupPEHeaderFields(const F: TCustomFile;
-  const IsVistaCompatible, IsTSAware, IsDEPCompatible, IsASLRCompatible: Boolean);
+  const IsTSAware, IsDEPCompatible, IsASLRCompatible: Boolean);
 
   function SeekToPEHeader(const F: TCustomFile): Boolean;
   var
@@ -69,9 +68,6 @@ var
   Header: TImageFileHeader;
   Ofs: Cardinal;
   OptMagic, DllChars, OrigDllChars: Word;
-  VersionRecord: packed record
-    Major, Minor: Word;
-  end;
 begin
   if SeekToPEHeader(F) then begin
     if (F.Read(Header, SizeOf(Header)) = SizeOf(Header)) and
@@ -79,32 +75,6 @@ begin
       Ofs := F.Position.Lo;
       if (F.Read(OptMagic, SizeOf(OptMagic)) = SizeOf(OptMagic)) and
          (OptMagic = IMAGE_NT_OPTIONAL_HDR32_MAGIC) then begin
-        if IsVistaCompatible then begin
-          { Update OS/Subsystem version }
-          VersionRecord.Major := 6;
-          VersionRecord.Minor := 0;
-          F.Seek(Ofs + OffsetOfOperatingSystemVersion);
-          F.WriteBuffer(VersionRecord, SizeOf(VersionRecord));
-          F.Seek(Ofs + OffsetOfSubsystemVersion);
-          F.WriteBuffer(VersionRecord, SizeOf(VersionRecord));
-        end;
-
-        { Update MajorImageVersion and MinorImageVersion to 6.0.
-          Works around apparent bug in Vista (still present in Vista SP1;
-          not reproducible on Server 2008): When UAC is turned off,
-          launching an uninstaller (as admin) from ARP and answering No at the
-          ConfirmUninstall message box causes a "This program might not have
-          uninstalled correctly" dialog to be displayed, even if the EXE
-          has a proper "Vista-aware" manifest. I discovered that if the EXE's
-          image version is set to 6.0, like the EXEs that ship with Vista
-          (notepad.exe), the dialog does not appear. (This is reproducible
-          with notepad.exe too if its image version is changed to anything
-          other than 6.0 exactly.) }
-        VersionRecord.Major := 6;
-        VersionRecord.Minor := 0;
-        F.Seek(Ofs + OffsetOfImageVersion);
-        F.WriteBuffer(VersionRecord, SizeOf(VersionRecord));
-
         { Update DllCharacteristics }
         F.Seek(Ofs + OffsetOfDllCharacteristics);
         if F.Read(DllChars, SizeOf(DllChars)) = SizeOf(DllChars) then begin
@@ -247,11 +217,7 @@ procedure UpdateVersionInfo(const F: TCustomFile;
   begin
     if not QueryValue(P, Path, Pointer(Value), ValueLen) then
       ResUpdateError('Unexpected version resource format (1)');
-{$IFDEF UNICODE}
     Move(Pointer(NewValue)^, Value^, (Min(Length(NewValue), lstrlenW(Value)))*SizeOf(Char));
-{$ELSE}
-    MultiByteToWideChar(CP_ACP, 0, PChar(NewValue), Length(NewValue), Value, lstrlenW(Value));
-{$ENDIF}
     ReplaceWithRealCopyrightSymbols(Value);
   end;
 
@@ -426,9 +392,6 @@ var
   N: Cardinal;
   NewGroupIconDirSize: LongInt;
 begin
-  if Win32Platform <> VER_PLATFORM_WIN32_NT then
-    ResUpdateError('Only supported on Windows NT and above');
-
   Ico := nil;
 
   try
@@ -500,35 +463,6 @@ begin
   end;
 end;
 
-procedure RemoveManifestDllHijackProtection(const F: TCustomFile; const TestBlockOnly: Boolean);
-const
-  BlockStartText: AnsiString = '<file name="';
-  BlockLength = 380;
-var
-  S: AnsiString;
-  Offset: Integer64;
-  P: Integer;
-begin
-  { Read the manifest resource into a string }
-  SetString(S, nil, SeekToResourceData(F, 24, 1));
-  Offset := F.Position;
-  F.ReadBuffer(S[1], Length(S));
-
-  { Locate and update the block with file elements }
-  P := Pos(BlockStartText, S);
-  if P = 0 then
-    ResUpdateError('Block not found');
-  if Copy(S, P+BlockLength, 11) <> '</assembly>' then
-    ResUpdateError('Block too short (BlockLength should be '+string(IntToStr(Pos('</assembly>', string(S))-P)+'): '+string(Copy(S, P+BlockLength, 11))));
-
-  if TestBlockOnly then
-    Exit;
-
-  Inc64(Offset, P-1);
-  F.Seek64(Offset);
-  F.WriteAnsiString(AnsiString(Format('%*s', [BlockLength, ' '])));
-end;
-
 procedure PreventCOMCTL32Sideloading(const F: TCustomFile);
 const
   DependencyStartTag: AnsiString = '<dependency>';

Projects/CompForm.pas

@@ -511,17 +511,13 @@ type
     procedure WMStartNormally(var Message: TMessage); message WM_StartNormally;
     procedure WMSettingChange(var Message: TMessage); message WM_SETTINGCHANGE;
     procedure WMThemeChanged(var Message: TMessage); message WM_THEMECHANGED;
-{$IFDEF IS_D4}
   protected
     procedure WndProc(var Message: TMessage); override;
-{$ENDIF}
   public
     { Public declarations }
     constructor Create(AOwner: TComponent); override;
     destructor Destroy; override;
-{$IFDEF IS_D5}
     function IsShortCut(var Message: TWMKey): Boolean; override;
-{$ENDIF}
   end;
 
 var
@@ -759,13 +755,6 @@ begin
     editor's autocompletion list }
   SetFakeShortCut(BStopCompile, VK_ESCAPE, []);
 
-{$IFNDEF IS_D103RIO}
-  { TStatusBar needs manual scaling before Delphi 10.3 Rio }
-  StatusBar.Height := ToPPI(StatusBar.Height);
-  for I := 0 to StatusBar.Panels.Count-1 do
-    StatusBar.Panels[I].Width := ToPPI(StatusBar.Panels[I].Width);
-{$ENDIF}
-
   PopupMenu := TCompileFormMemoPopupMenu.Create(Self);
 
   FMemosStyler := TInnoSetupStyler.Create(Self);
@@ -951,7 +940,6 @@ begin
     UpdateStatusPanelHeight(StatusPanel.Height);
 end;
 
-{$IFDEF IS_D4}
 procedure TCompileForm.WndProc(var Message: TMessage);
 begin
   { Without this, the status bar's owner drawn panels sometimes get corrupted and show
@@ -964,11 +952,9 @@ begin
           if (CtlType = ODT_MENU) and not IsMenu(hwndItem) then
             CtlType := ODT_STATIC;
     end;
-  inherited 
+  inherited
 end;
-{$ENDIF}
 
-{$IFDEF IS_D5}
 function TCompileForm.IsShortCut(var Message: TWMKey): Boolean;
 begin
   { Key messages are forwarded by the VCL to the main form for ShortCut
@@ -980,7 +966,6 @@ begin
   else
     Result := False;
 end;
-{$ENDIF}
 
 procedure TCompileForm.UpdateCaption;
 var
@@ -1720,8 +1705,8 @@ begin
     ElapsedTime := GetTickCount - StartTime;
     ElapsedSeconds := ElapsedTime div 1000;
     StatusMessage(smkStartEnd, Format(SCompilerStatusFinished, [TimeToStr(Time),
-      Format('%.2u%s%.2u%s%.3u', [ElapsedSeconds div 60, {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator,
-        ElapsedSeconds mod 60, {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DecimalSeparator, ElapsedTime mod 1000])]));
+      Format('%.2u%s%.2u%s%.3u', [ElapsedSeconds div 60, FormatSettings.TimeSeparator,
+        ElapsedSeconds mod 60, FormatSettings.DecimalSeparator, ElapsedTime mod 1000])]));
   finally
     AppData.Lines.Free;
     FCompiling := False;
@@ -3889,11 +3874,10 @@ procedure TCompileForm.MemoHintShow(Sender: TObject; var Info: TScintHintInfo);
     S: TScintRawString;
     U: String;
   begin
-    { On the Unicode build, [Code] lines get converted from the editor's
-      UTF-8 to UTF-16 Strings when passed to the compiler. This can lead to
-      column number discrepancies between Scintilla and ROPS. This code
-      simulates the conversion to try to find out where ROPS thinks a Pos
-      resides. }
+    { [Code] lines get converted from the editor's UTF-8 to UTF-16 Strings when
+      passed to the compiler. This can lead to column number discrepancies
+      between Scintilla and ROPS. This code simulates the conversion to try to
+      find out where ROPS thinks a Pos resides. }
     LinePos := FActiveMemo.GetPositionFromLine(FActiveMemo.GetLineFromPosition(Pos));
     S := FActiveMemo.GetRawTextRange(LinePos, Pos);
     U := FActiveMemo.ConvertRawStringToString(S);
@@ -4636,21 +4620,18 @@ begin
   Info.lpDirectory := PChar(WorkingDir);
   Info.nShow := SW_SHOWNORMAL;
   { Disable windows so that the user can't click other things while a "Run as"
-    dialog is up on Windows 2000/XP (they aren't system modal like on Vista) }
+    dialog is up but is not system modal (which it is currently) }
   SaveFocusWindow := GetFocus;
   WindowList := DisableTaskWindows(0);
   try
     { Also temporarily remove the focus since a disabled window's children can
-      still receive keystrokes. This is needed on Vista if the UAC dialog
-      doesn't come to the foreground for some reason (e.g. if the following
-      SetActiveWindow call is removed). }
+      still receive keystrokes. This is needed if the UAC dialog doesn't come to
+      the foreground for some reason (e.g. if the following SetActiveWindow call
+      is removed). }
     Windows.SetFocus(0);
-    { On Vista, when disabling windows, we have to make the application window
-      the active window, otherwise the UAC dialog doesn't come to the
-      foreground automatically. Note: This isn't done on older versions simply
-      to avoid unnecessary title bar flicker. }
-    if Win32MajorVersion >= 6 then
-      SetActiveWindow(Application.Handle);
+    { We have to make the application window the active window, otherwise the
+      UAC dialog doesn't come to the foreground automatically. }
+    SetActiveWindow(Application.Handle);
     ShellExecuteResult := ShellExecuteEx(@Info);
     ErrorCode := GetLastError;
   finally
@@ -5043,8 +5024,8 @@ begin
     if ASecondsRemaining >= 0 then
       StatusBar.Panels[spExtraStatus].Text := Format(
         ' Estimated time remaining: %.2d%s%.2d%s%.2d     Average KB/sec: %.0n',
-        [(ASecondsRemaining div 60) div 60, {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator,
-         (ASecondsRemaining div 60) mod 60, {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator,
+        [(ASecondsRemaining div 60) div 60, FormatSettings.TimeSeparator,
+         (ASecondsRemaining div 60) mod 60, FormatSettings.TimeSeparator,
          ASecondsRemaining mod 60, ABytesCompressedPerSecond / 1024])
     else
       StatusBar.Panels[spExtraStatus].Text := '';

Projects/CompFunc.pas

@@ -119,7 +119,7 @@ begin
 end;
 
 procedure AddFileToRecentDocs(const Filename: String);
-{ Notifies the shell that a document has been opened. On Windows 7, this will
+{ Notifies the shell that a document has been opened. This will
   add the file to the Recent section of the app's Jump List.
   It is only necessary to call this function when the shell is unaware that
   a file is being opened. Files opened through Explorer or common dialogs get
@@ -354,8 +354,8 @@ var
         begin
           if LineNumber = 0 then begin
             { Don't forget about ListBox's DrawItem if you change the format of the following timestamp. }
-            Insert(Format('[%.2u%s%.2u%s%.2u%s%.3u]   ', [ST.wHour, {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator,
-              ST.wMinute, {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator, ST.wSecond, {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DecimalSeparator,
+            Insert(Format('[%.2u%s%.2u%s%.2u%s%.3u]   ', [ST.wHour, FormatSettings.TimeSeparator,
+              ST.wMinute, FormatSettings.TimeSeparator, ST.wSecond, FormatSettings.DecimalSeparator,
               ST.wMilliseconds]), S, 1);
           end else begin
             Insert(#9, S, 1); { Not actually painted - just for Ctrl+C }
@@ -466,10 +466,7 @@ var
   StartupInfo: TStartupInfo;
   ProcessInfo: TProcessInformation;
 begin
-  if Win32Platform = VER_PLATFORM_WIN32_NT then
-    Dir := GetSystemDir
-  else
-    Dir := GetWinDir;
+  Dir := GetSystemDir;
 
   FillChar(StartupInfo, SizeOf(StartupInfo), 0);
   StartupInfo.cb := SizeOf(StartupInfo);

Projects/CompMsgs.pas

@@ -2,7 +2,7 @@ unit CompMsgs;
 
 {
   Inno Setup
-  Copyright (C) 1997-2021 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -184,15 +184,13 @@ const
   SCompilerEntryInvalid2 = 'Value of [%s] section directive "%s" is invalid';
   SCompilerEntryAlreadySpecified = '[%s] section directive "%s" already specified';
   SCompilerAppVersionOrAppVerNameRequired = 'The [Setup] section must include an AppVersion or AppVerName directive';
-  SCompilerMinVersionWinMustBeZero = 'Minimum Windows version specified by MinVersion must be 0. (Windows 95/98/Me are no longer supported.)';
-  SCompilerMinVersionNTTooLow = 'Minimum NT version specified by MinVersion must be at least %s. (Windows 2000/XP/Server 2003 are no longer supported.)';
-  SCompilerMinVersionRecommendation = 'Minimum NT version is set to %s but using %s instead (which is the default) is recommended.';
+  SCompilerMinVersionWinMustBeZero = 'Minimum non NT version specified by MinVersion must be 0. (Windows 95/98/Me are no longer supported.)';
+  SCompilerMinVersionNTTooLow = 'Minimum version specified by MinVersion must be at least %s. (Windows Vista/Server 2008 are no longer supported.)';
+  SCompilerMinVersionRecommendation = 'Minimum version is set to %s but using %s instead (which is the default) is recommended.';
   SCompilerDiskSliceSizeInvalid = 'DiskSliceSize must be between %d and %d, or "max"';
   SCompilerDiskClusterSizeInvalid = 'DiskClusterSize must be between 1 and 32768';
   SCompilerInstallModeObsolete = 'The [%s] section directive "%s" is obsolete and ignored in this version of Inno Setup. Use command line parameters instead.';
   SCompilerMessagesFileObsolete = 'The MessagesFile directive is obsolete and no longer supported. Use the [Languages] section instead.';
-  SCompilerDirectiveIsNTOnly = 'The [%s] section directive "%s" may not be used when compiling on Windows 95/98/Me';
-  SCompilerDirectiveRequiresWindows2000 = 'The [%s] section directive "%s" may not be used when compiling on Windows 95/98/Me/NT4';
   SCompilerMustUseDisableStartupPrompt = 'DisableStartupPrompt must be set to "yes" when AppName includes constants';
   SCompilerMustNotUsePreviousLanguage = 'UsePreviousLanguage must be set to "no" when AppId includes constants';
   SCompilerMustNotUsePreviousPrivileges = 'UsePreviousPrivileges must be set to "no" when AppId includes constants and PrivilegesRequiredOverridesAllowed allows "dialog"';
@@ -200,8 +198,6 @@ const
   SCompilerDirectiveNotUsingPreferredDefault = 'The [Setup] section directive "%s" is defaulting to %s because %s includes constants.';
   SCompilerDirectivePatternTooLong = 'The [Setup] section directive "%s" contains a pattern that is too long';
   SCompilerOutputBaseFileNameSetup = 'Setting the [Setup] section directive "OutputBaseFileName" to "setup" is not recommended: all executables named "setup.exe" are shimmed by Windows application compatibility to load additional DLLs, such as version.dll.' + ' These DLLs are loaded unsafely by Windows and can be hijacked. Use a different name, for example "mysetup".';
-  SCompilerRemoveManifestDllHijackProtection = 'Setting the [Setup] section directive "MinVersion" below %s is not recommended: Windows Vista doesn''t support some of Setup''s security measures against potential DLL preloading attacks so these have been' + ' removed by the compiler making your installer less secure on all versions of Windows.';
-  SCompilerDidntRemoveManifestDllHijackProtection = 'Setup will not run on Windows Vista: MinVersion must be below %s.';
   SCompilerWizImageRenamed = 'Wizard image "%s" has been renamed. Use "%s" instead or consider removing the directive to use modern built-in wizard images.';
 
   { Signing }
@@ -355,8 +351,6 @@ const
   SCompilerFilesCantHaveNonExternalExternalSize = 'Parameter "ExternalSize" may only be used when ' +
     'the "external" flag is used';
   SCompilerFilesExcludeTooLong = 'Parameter "Excludes" contains a pattern that is too long';
-  SCompilerFilesCantReadVersionInfoOn64BitImage = 'In order for it to be able to read version info on 64-bit images, ' +
-    'the compiler must be run under Windows 2000 or later';
   SCompilerFilesUnsafeFile = 'Unsafe file detected: %s.' + SNewLine2 +
     'See the "Unsafe Files" topic in the help file for more information';
   SCompilerFilesSystemDirUsed = 'Attempt to deploy DLL file from own Windows System directory.' + SNewLine2 +

Projects/CompOptions.dfm

@@ -89,7 +89,7 @@ object OptionsForm: TOptionsForm
       Top = 196
       Width = 265
       Height = 17
-      Caption = '*'
+      Caption = 'Always &launch Setup/Uninstall as administrator'
       TabOrder = 9
     end
     object ColorizeCompilerOutputCheck: TCheckBox

Projects/CompOptions.pas

@@ -2,7 +2,7 @@ unit CompOptions;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -72,16 +72,6 @@ procedure TOptionsForm.FormCreate(Sender: TObject);
 begin
   InitFormFont(Self);
 
-  { On Windows Vista, you can only select administrator accounts in a "Run as"
-    dialog. On Windows 2000/XP/2003, you can select any account. Earlier
-    versions of Windows don't support "Run as" at all, so disable the check
-    box there. }
-  if Win32MajorVersion >= 6 then
-    RunAsDifferentUserCheck.Caption := 'Always &launch Setup/Uninstall as administrator'
-  else
-    RunAsDifferentUserCheck.Caption := 'Always &launch Setup/Uninstall as different user';
-  RunAsDifferentUserCheck.Enabled := (Win32MajorVersion >= 5);
-
   { Order must match TThemeType. }
   ThemeComboBox.Items.Add('Light');
   ThemeComboBox.Items.Add('Dark');

Projects/Compil32.dpr

@@ -2,7 +2,7 @@ program Compil32;
 
 {
   Inno Setup
-  Copyright (C) 1997-2019 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -46,11 +46,13 @@ uses
   BidiUtils in '..\Components\BidiUtils.pas',
   DropListBox in '..\Components\DropListBox.pas',
   NewCheckListBox in '..\Components\NewCheckListBox.pas',
-  NewNotebook in '..\Components\NewNotebook.pas';
+  NewNotebook in '..\Components\NewNotebook.pas',
+  TaskbarProgressFunc in 'TaskbarProgressFunc.pas',
+  HtmlHelpFunc in 'HtmlHelpFunc.pas';
 
 {$SetPEFlags IMAGE_FILE_RELOCS_STRIPPED}
-{$SETPEOSVERSION 6.0}
-{$SETPESUBSYSVERSION 6.0}
+{$SETPEOSVERSION 6.1}
+{$SETPESUBSYSVERSION 6.1}
 {$WEAKLINKRTTI ON}
 
 {$R Compil32.docicon.res}
@@ -61,9 +63,9 @@ procedure SetAppUserModelID;
 var
   Func: function(AppID: PWideChar): HRESULT; stdcall;
 begin
-  { On Windows 7, for the IDE to be pinnable and show a Jump List, it is
-    necessary to explicitly assign an AppUserModelID because by default the
-    taskbar excludes applications that have "Setup" in their name. }
+  { For the IDE to be pinnable and show a Jump List, it is necessary to
+    explicitly assign an AppUserModelID because by default the taskbar excludes
+    applications that have "Setup" in their name. }
   Func := GetProcAddress(GetModuleHandle('shell32.dll'),
     'SetCurrentProcessExplicitAppUserModelID');
   if Assigned(Func) then

Projects/Compil32.dproj

@@ -78,6 +78,7 @@
             <MainSource>MainSource</MainSource>
         </DelphiCompile>
         <DCCReference Include="SafeDLLPath.pas"/>
+        <DCCReference Include="..\Components\PathFunc.pas"/>
         <DCCReference Include="CompForm.pas">
             <Form>CompileForm</Form>
         </DCCReference>
@@ -127,6 +128,8 @@
         <DCCReference Include="..\Components\DropListBox.pas"/>
         <DCCReference Include="..\Components\NewCheckListBox.pas"/>
         <DCCReference Include="..\Components\NewNotebook.pas"/>
+        <DCCReference Include="TaskbarProgressFunc.pas"/>
+        <DCCReference Include="HtmlHelpFunc.pas"/>
         <BuildConfiguration Include="Base">
             <Key>Base</Key>
         </BuildConfiguration>

Projects/Compile.pas

@@ -62,13 +62,11 @@ type
     FileLineNumber: Integer;
   end;
 
-{$IFDEF UNICODE}
   TPreLangData = class
   public
     Name: String;
     LanguageCodePage: Integer;
   end;
-{$ENDIF}
 
   TLangData = class
   public
@@ -193,7 +191,7 @@ type
     PreprocOutput: String;
 
     DefaultLangData: TLangData;
-    {$IFDEF UNICODE} PreLangDataList, {$ENDIF} LangDataList: TList;
+    PreLangDataList, LangDataList: TList;
     SignToolList: TList;
     SignTools, SignToolsParams: TStringList;
     SignToolRetryCount, SignToolRetryDelay, SignToolMinimumTimeBetween: Integer;
@@ -283,13 +281,9 @@ type
     procedure EnumDirsProc(const Line: PChar; const Ext: Integer);
     procedure EnumIconsProc(const Line: PChar; const Ext: Integer);
     procedure EnumINIProc(const Line: PChar; const Ext: Integer);
-{$IFDEF UNICODE}
     procedure EnumLangOptionsPreProc(const Line: PChar; const Ext: Integer);
-{$ENDIF}
     procedure EnumLangOptionsProc(const Line: PChar; const Ext: Integer);
-{$IFDEF UNICODE}
     procedure EnumLanguagesPreProc(const Line: PChar; const Ext: Integer);
-{$ENDIF}
     procedure EnumLanguagesProc(const Line: PChar; const Ext: Integer);
     procedure EnumRegistryProc(const Line: PChar; const Ext: Integer);
     procedure EnumDeleteProc(const Line: PChar; const Ext: Integer);
@@ -305,9 +299,7 @@ type
     function GetLZMAExeFilename(const Allow64Bit: Boolean): String;
     procedure InitBzipDLL;
     procedure InitCryptDLL;
-{$IFDEF UNICODE}
     procedure InitPreLangData(const APreLangData: TPreLangData);
-{$ENDIF}
     procedure InitLanguageEntry(var ALanguageEntry: TSetupLanguageEntry);
     procedure InitLZMADLL;
     procedure InitPreprocessor;
@@ -331,13 +323,9 @@ type
     procedure ProcessWildcardsParameter(const ParamData: String;
       const AWildcards: TStringList; const TooLongMsg: String);
     procedure ReadDefaultMessages;
-{$IFDEF UNICODE}
     procedure ReadMessagesFromFilesPre(const AFiles: String; const ALangIndex: Integer);
-{$ENDIF}
     procedure ReadMessagesFromFiles(const AFiles: String; const ALangIndex: Integer);
-{$IFDEF UNICODE}
     procedure ReadMessagesFromScriptPre;
-{$ENDIF}
     procedure ReadMessagesFromScript;
     function ReadScriptFile(const Filename: String; const UseCache: Boolean;
       const AnsiConvertCodePage: Cardinal): TScriptFileLines;
@@ -372,9 +360,6 @@ type
   end;
 
 var
-{$IFNDEF UNICODE}
-  CompilerLeadBytes: TLeadByteSet;
-{$ENDIF}
   ZipInitialized, BzipInitialized, LZMAInitialized, CryptInitialized: Boolean;
   PreprocessorInitialized: Boolean;
   PreprocessScriptProc: TPreprocessScriptProc;
@@ -714,41 +699,6 @@ begin
   F.Seek(0);
 end;
 
-function Is64BitPEImage(const Filename: String): Boolean;
-{ Returns True if the specified file is a non-32-bit PE image, False
-  otherwise. }
-var
-  F: TFile;
-  DosHeader: packed record
-    Sig: array[0..1] of AnsiChar;
-    Other: array[0..57] of Byte;
-    PEHeaderOffset: LongWord;
-  end;
-  PESigAndHeader: packed record
-    Sig: DWORD;
-    Header: TImageFileHeader;
-    OptHeaderMagic: Word;
-  end;
-begin
-  Result := False;
-  F := TFile.Create(Filename, fdOpenExisting, faRead, fsRead);
-  try
-    if F.Read(DosHeader, SizeOf(DosHeader)) = SizeOf(DosHeader) then begin
-      if (DosHeader.Sig[0] = 'M') and (DosHeader.Sig[1] = 'Z') and
-         (DosHeader.PEHeaderOffset <> 0) then begin
-        F.Seek(DosHeader.PEHeaderOffset);
-        if F.Read(PESigAndHeader, SizeOf(PESigAndHeader)) = SizeOf(PESigAndHeader) then begin
-          if (PESigAndHeader.Sig = IMAGE_NT_SIGNATURE) and
-             (PESigAndHeader.OptHeaderMagic <> IMAGE_NT_OPTIONAL_HDR32_MAGIC) then
-            Result := True;
-        end;
-      end;
-    end;
-  finally
-    F.Free;
-  end;
-end;
-
 function CountChars(const S: String; C: Char): Integer;
 var
   I: Integer;
@@ -817,13 +767,8 @@ begin
       if Result[I] = '{' then
         Delete(Result, I, 1);
     end
-    else begin
-{$IFNDEF UNICODE}
-      if Result[I] in CompilerLeadBytes then
-        Inc(I);
-{$ENDIF}
+    else
       Inc(I);
-    end;
   end;
 end;
 
@@ -1556,9 +1501,7 @@ begin
   UsedUserAreas.Duplicates := dupIgnore;
   PreprocIncludedFilenames := TStringList.Create;
   DefaultLangData := TLangData.Create;
-{$IFDEF UNICODE}
   PreLangDataList := TLowFragList.Create;
-{$ENDIF}
   LangDataList := TLowFragList.Create;
   SignToolList := TLowFragList.Create;
   SignTools := TStringList.Create;
@@ -1591,9 +1534,7 @@ begin
     SignToolList.Free;
   end;
   LangDataList.Free;
-{$IFDEF UNICODE}
   PreLangDataList.Free;
-{$ENDIF}
   DefaultLangData.Free;
   PreprocIncludedFilenames.Free;
   UsedUserAreas.Free;
@@ -1622,8 +1563,6 @@ end;
 
 procedure TSetupCompiler.InitPreprocessor;
 {$IFNDEF STATICPREPROC}
-const
-  FuncNameSuffix = {$IFDEF UNICODE} 'W' {$ELSE} 'A' {$ENDIF};
 var
   Filename: String;
   Attr: DWORD;
@@ -1643,8 +1582,7 @@ begin
     if M = 0 then
       AbortCompileFmt('Failed to load preprocessor DLL "%s" (%d)',
         [Filename, GetLastError]);
-    PreprocessScriptProc := GetProcAddress(M,
-      PAnsiChar('ISPreprocessScript' + FuncNameSuffix));
+    PreprocessScriptProc := GetProcAddress(M, 'ISPreprocessScriptW');
     if not Assigned(PreprocessScriptProc) then
       AbortCompileFmt('Failed to get address of functions in "%s"', [Filename]);
   end;
@@ -2203,7 +2141,6 @@ var
 
     UseCache := not (LangSection and LangSectionPre);
     AnsiConvertCodePage := 0;
-{$IFDEF UNICODE}
     if LangSection then begin
       { During a Pre pass on an .isl file, use code page 1252 for translation.
         Previously, the system code page was used, but on DBCS that resulted in
@@ -2219,7 +2156,6 @@ var
         AnsiConvertCodePage := TPreLangData(PreLangDataList[Ext]).LanguageCodePage;
       end;
     end;
-{$ENDIF}
 
     Lines := ReadScriptFile(Filename, UseCache, AnsiConvertCodePage);
     try
@@ -2822,13 +2758,7 @@ begin
 
       1:{ Constant is OK }
       end;
-{$IFDEF UNICODE}
     end;
-{$ELSE}
-    end
-    else if S[I] in CompilerLeadBytes then
-      Inc(I);
-{$ENDIF}
     Inc(I);
   end;
 end;
@@ -2848,7 +2778,7 @@ begin
     Decl := '0';
 
   for I := Low(Parameters) to High(Parameters) do begin
-    if Parameters[I].VType = {$IFDEF UNICODE} vtUnicodeString {$ELSE} vtAnsiString {$ENDIF} then
+    if Parameters[I].VType = vtUnicodeString then
       Decl := Decl + ' @String'
     else if Parameters[I].VType = vtInteger then
       Decl := Decl + ' @LongInt'
@@ -3251,18 +3181,15 @@ procedure TSetupCompiler.ReadTextFile(const Filename: String; const LangIndex: I
 var
   F: TFile;
   Size: Cardinal;
-{$IFDEF UNICODE}
   UnicodeFile, RTFFile: Boolean;
   AnsiConvertCodePage: Integer;
   S: RawByteString;
   U: String;
-{$ENDIF}
 begin
   try
     F := TFile.Create(Filename, fdOpenExisting, faRead, fsRead);
     try
       Size := F.Size.Lo;
-{$IFDEF UNICODE}
       SetLength(S, Size);
       F.ReadBuffer(S[1], Size);
 
@@ -3291,10 +3218,6 @@ begin
           Text := S;
       end else
         Text := S;
-{$ELSE}
-      SetLength(Text, Size);
-      F.ReadBuffer(Text[1], Size);
-{$ENDIF}
     finally
       F.Free;
     end;
@@ -3926,10 +3849,6 @@ begin
           CompressProps.WorkerProcessFilename := GetLZMAExeFilename(True)
         else
           CompressProps.WorkerProcessFilename := '';
-        if (CompressProps.WorkerProcessFilename <> '') and
-           (Byte(GetVersion()) < 5) then
-          AbortCompileOnLineFmt(SCompilerDirectiveRequiresWindows2000,
-            ['Setup', KeyName]);
       end;
     ssMergeDuplicateFiles: begin
         DontMergeDuplicateFiles := not StrToBool(Value);
@@ -3942,8 +3861,8 @@ begin
           Invalid;
         if SetupHeader.MinVersion.WinVersion <> 0 then
           AbortCompileOnLine(SCompilerMinVersionWinMustBeZero);
-        if SetupHeader.MinVersion.NTVersion < $06000000 then
-          AbortCompileOnLineFmt(SCompilerMinVersionNTTooLow, ['6.0']);
+        if SetupHeader.MinVersion.NTVersion < $06010000 then
+          AbortCompileOnLineFmt(SCompilerMinVersionNTTooLow, ['6.1']);
       end;
     ssMissingMessagesWarning: begin
         MissingMessagesWarning := StrToBool(Value);
@@ -4005,8 +3924,6 @@ begin
         SetSetupHeaderOption(shRestartIfNeededByRun);
       end;
     ssSetupIconFile: begin
-        if (Value <> '') and (Win32Platform <> VER_PLATFORM_WIN32_NT) then
-          AbortCompileOnLineFmt(SCompilerDirectiveIsNTOnly, ['Setup', KeyName]);
         SetupIconFilename := Value;
       end;
     ssSetupLogging: begin
@@ -4030,11 +3947,7 @@ begin
         SetSetupHeaderOption(shShowTasksTreeLines);
       end;
     ssShowUndisplayableLanguages: begin
-{$IFDEF UNICODE}
         WarningsList.Add(Format(SCompilerEntryObsolete, ['Setup', KeyName]));
-{$ELSE}
-        SetSetupHeaderOption(shShowUndisplayableLanguages);
-{$ENDIF}
       end;
     ssSignedUninstaller: begin
         SetSetupHeaderOption(shSignedUninstaller);
@@ -4278,7 +4191,6 @@ function TSetupCompiler.FindLangEntryIndexByName(const AName: String;
 var
   I: Integer;
 begin
-{$IFDEF UNICODE}
   if Pre then begin
     for I := 0 to PreLangDataList.Count-1 do begin
       if TPreLangData(PreLangDataList[I]).Name = AName then begin
@@ -4288,7 +4200,6 @@ begin
     end;
     AbortCompileOnLineFmt(SCompilerUnknownLanguage, [AName]);
   end;
-{$ENDIF}
 
   for I := 0 to LanguageEntries.Count-1 do begin
     if PSetupLanguageEntry(LanguageEntries[I]).Name = AName then begin
@@ -4313,7 +4224,6 @@ begin
   Result := -1;
 end;
 
-{$IFDEF UNICODE}
 procedure TSetupCompiler.EnumLangOptionsPreProc(const Line: PChar; const Ext: Integer);
 
   procedure ApplyToLangEntryPre(const KeyName, Value: String;
@@ -4366,7 +4276,6 @@ begin
   end else
     ApplyToLangEntryPre(KeyName, Value, TPreLangData(PreLangDataList[LangIndex]), False);
 end;
-{$ENDIF}
 
 procedure TSetupCompiler.EnumLangOptionsProc(const Line: PChar; const Ext: Integer);
 
@@ -4445,7 +4354,7 @@ procedure TSetupCompiler.EnumLangOptionsProc(const Line: PChar; const Ext: Integ
       lsLanguageCodePage: begin
           if AffectsMultipleLangs then
             AbortCompileOnLineFmt(SCompilerCantSpecifyLangOption, [KeyName]);
-          {$IFNDEF UNICODE}LangOptions.LanguageCodePage := {$ENDIF}StrToIntCheck(Value);
+          StrToIntCheck(Value);
         end;
       lsLanguageID: begin
           if AffectsMultipleLangs then
@@ -4881,35 +4790,14 @@ type
     mkcPgDn, mkcEnd, mkcHome, mkcLeft, mkcUp, mkcRight, mkcDown, mkcIns,
     mkcDel, mkcShift, mkcCtrl, mkcAlt);
 
-{$IFDEF Delphi3OrHigher}
 var
   MenuKeyCaps: array[TMenuKeyCap] of string = (
     SmkcBkSp, SmkcTab, SmkcEsc, SmkcEnter, SmkcSpace, SmkcPgUp,
     SmkcPgDn, SmkcEnd, SmkcHome, SmkcLeft, SmkcUp, SmkcRight,
     SmkcDown, SmkcIns, SmkcDel, SmkcShift, SmkcCtrl, SmkcAlt);
-{$ELSE}
-var
-  MenuKeyCaps: array[TMenuKeyCap] of string;
-
-const
-  MenuKeyCapIDs: array[TMenuKeyCap] of Word = (
-    SmkcBkSp, SmkcTab, SmkcEsc, SmkcEnter, SmkcSpace, SmkcPgUp,
-    SmkcPgDn, SmkcEnd, SmkcHome, SmkcLeft, SmkcUp, SmkcRight,
-    SmkcDown, SmkcIns, SmkcDel, SmkcShift, SmkcCtrl, SmkcAlt);
-{$ENDIF}
 
 procedure TSetupCompiler.EnumIconsProc(const Line: PChar; const Ext: Integer);
 
-  {$IFNDEF Delphi3OrHigher}
-  procedure LoadStrings;
-  var
-    I: TMenuKeyCap;
-  begin
-    for I := Low(TMenuKeyCap) to High(TMenuKeyCap) do
-      MenuKeyCaps[I] := LoadStr(MenuKeyCapIDs[I]);
-  end;
-  {$ENDIF}
-
   function HotKeyToText(HotKey: Word): string;
 
     function GetSpecialName(HotKey: Word): string;
@@ -5028,19 +4916,15 @@ const
     (Name: ParamCommonAfterInstall; Flags: []),
     (Name: ParamCommonMinVersion; Flags: []),
     (Name: ParamCommonOnlyBelowVersion; Flags: []));
-  Flags: array[0..9] of PChar = (
+  Flags: array[0..8] of PChar = (
     'uninsneveruninstall', 'runminimized', 'createonlyiffileexists',
     'useapppaths', 'closeonexit', 'dontcloseonexit', 'runmaximized',
-    'foldershortcut', 'excludefromshowinnewinstall', 'preventpinning');
+    'excludefromshowinnewinstall', 'preventpinning');
 var
   Values: array[TParam] of TParamValue;
   NewIconEntry: PSetupIconEntry;
   S: String;
 begin
-  {$IFNDEF Delphi3OrHigher}
-  LoadStrings;
-  {$ENDIF}
-
   ExtractParameters(Line, ParamInfo, Values);
 
   NewIconEntry := AllocMem(SizeOf(TSetupIconEntry));
@@ -5061,9 +4945,8 @@ begin
           4: CloseOnExit := icYes;
           5: CloseOnExit := icNo;
           6: ShowCmd := SW_SHOWMAXIMIZED;
-          7: Include(Options, ioFolderShortcut);
-          8: Include(Options, ioExcludeFromShowInNewInstall);
-          9: Include(Options, ioPreventPinning);
+          7: Include(Options, ioExcludeFromShowInNewInstall);
+          8: Include(Options, ioPreventPinning);
         end;
 
       { Name }
@@ -5613,13 +5496,7 @@ procedure TSetupCompiler.EnumFilesProc(const Line: PChar; const Ext: Integer);
       if Result[I] = '{' then begin
         Insert('{', Result, I);
         Inc(I);
-{$IFDEF UNICODE}
       end;
-{$ELSE}
-      end
-      else if Result[I] in CompilerLeadBytes then
-        Inc(I);
-{$ENDIF}
       Inc(I);
     end;
   end;
@@ -6009,12 +5886,6 @@ type
       if not ExternalFile and not(foIgnoreVersion in NewFileEntry^.Options) and
          (NewFileLocationEntry^.Flags * [foVersionInfoValid, foVersionInfoNotValid] = []) then begin
         AddStatus(Format(SCompilerStatusFilesVerInfo, [SourceFile]));
-        { Windows versions prior to 2000 cannot read version info on 64-bit
-          images. Throw an error rather than silently failing to read the
-          version info (which could be dangerous). }
-        if (Win32Platform <> VER_PLATFORM_WIN32_NT) or (Byte(GetVersion) < 5) then
-          if Is64BitPEImage(SourceFile) then
-            AbortCompileOnLine(SCompilerFilesCantReadVersionInfoOn64BitImage);
         if GetVersionNumbers(SourceFile, VersionNumbers) then begin
           NewFileLocationEntry^.FileVersionMS := VersionNumbers.MS;
           NewFileLocationEntry^.FileVersionLS := VersionNumbers.LS;
@@ -6078,32 +5949,20 @@ type
       function ComparePathStr(P1, P2: PChar): Integer;
       { Like CompareStr, but sorts backslashes correctly ('A\B' < 'AB\B') }
       var
-{$IFNDEF UNICODE}
-        LastWasLeadByte: BOOL;
-{$ENDIF}
         C1, C2: Char;
       begin
-{$IFNDEF UNICODE}
-        LastWasLeadByte := False;
-{$ENDIF}
         repeat
           C1 := P1^;
-          if (C1 = '\') {$IFNDEF UNICODE} and not LastWasLeadByte {$ENDIF} then
+          if C1 = '\' then
             C1 := #1;
           C2 := P2^;
-          if (C2 = '\') {$IFNDEF UNICODE} and not LastWasLeadByte {$ENDIF} then
+          if C2 = '\' then
             C2 := #1;
           Result := Ord(C1) - Ord(C2);
           if Result <> 0 then
             Break;
           if C1 = #0 then
             Break;
-{$IFNDEF UNICODE}
-          if LastWasLeadByte then
-            LastWasLeadByte := False
-          else
-            LastWasLeadByte := IsDBCSLeadByte(Ord(C1));
-{$ENDIF}
           Inc(P1);
           Inc(P2);
         until False;
@@ -6755,7 +6614,6 @@ const
     (Name: ParamLanguagesInfoBeforeFile; Flags: [piNoEmpty]),
     (Name: ParamLanguagesInfoAfterFile; Flags: [piNoEmpty]));
 
-{$IFDEF UNICODE}
 procedure TSetupCompiler.EnumLanguagesPreProc(const Line: PChar; const Ext: Integer);
 var
   Values: array[TLanguagesParam] of TParamValue;
@@ -6786,7 +6644,6 @@ begin
 
   ReadMessagesFromFilesPre(Filename, PreLangDataList.Count-1);
 end;
-{$ENDIF}
 
 procedure TSetupCompiler.EnumLanguagesProc(const Line: PChar; const Ext: Integer);
 var
@@ -7032,7 +6889,6 @@ begin
   end;
 end;
 
-{$IFDEF UNICODE}
 procedure TSetupCompiler.InitPreLangData(const APreLangData: TPreLangData);
 { Initializes a TPreLangData object with the default settings }
 begin
@@ -7041,7 +6897,6 @@ begin
     LanguageCodePage := 0;
   end;
 end;
-{$ENDIF}
 
 procedure TSetupCompiler.InitLanguageEntry(var ALanguageEntry: TSetupLanguageEntry);
 { Initializes a TSetupLanguageEntry record with the default settings }
@@ -7050,9 +6905,6 @@ begin
     Name := 'default';
     LanguageName := 'English';
     LanguageID := $0409;  { U.S. English }
-{$IFNDEF UNICODE}
-    LanguageCodePage := 0;
-{$ENDIF}
     DialogFontName := DefaultDialogFontName;
     DialogFontSize := 8;
     TitleFontName := 'Arial';
@@ -7067,7 +6919,6 @@ begin
   end;
 end;
 
-{$IFDEF UNICODE}
 procedure TSetupCompiler.ReadMessagesFromFilesPre(const AFiles: String;
   const ALangIndex: Integer);
 var
@@ -7084,7 +6935,6 @@ begin
     CallIdleProc;
   end;
 end;
-{$ENDIF}
 
 procedure TSetupCompiler.ReadMessagesFromFiles(const AFiles: String;
   const ALangIndex: Integer);
@@ -7123,7 +6973,6 @@ begin
         { ^ Copy(..., 4, Maxint) is to skip past "msg" }
 end;
 
-{$IFDEF UNICODE}
 procedure TSetupCompiler.ReadMessagesFromScriptPre;
 
   procedure CreateDefaultLanguageEntryPre;
@@ -7157,7 +7006,6 @@ begin
   EnumIniSection(EnumLangOptionsPreProc, 'LangOptions', -1, False, True, '', True, False);
   CallIdleProc;
 end;
-{$ENDIF}
 
 procedure TSetupCompiler.ReadMessagesFromScript;
 
@@ -7645,7 +7493,6 @@ procedure TSetupCompiler.Compile;
     end;
   end;
 
-{$IFDEF UNICODE}
   procedure FreePreLangData;
   var
     I: Integer;
@@ -7655,7 +7502,6 @@ procedure TSetupCompiler.Compile;
       PreLangDataList.Delete(I);
     end;
   end;
-{$ENDIF}
 
   procedure FreeLangData;
   var
@@ -7724,9 +7570,6 @@ var
 
     F.WriteBuffer(SetupID, SizeOf(SetupID));
 
-{$IFNDEF UNICODE}
-    SetupHeader.LeadBytes := CompilerLeadBytes;
-{$ENDIF}
     SetupHeader.NumLanguageEntries := LanguageEntries.Count;
     SetupHeader.NumCustomMessageEntries := CustomMessageEntries.Count;
     SetupHeader.NumPermissionEntries := PermissionEntries.Count;
@@ -8232,7 +8075,7 @@ var
     end;
   end;
 
-  procedure PrepareSetupE32(var M: TMemoryFile; const RemoveManifestDllHijackProtection: Boolean);
+  procedure PrepareSetupE32(var M: TMemoryFile);
   var
     TempFilename, E32Filename, ConvertFilename: String;
     ConvertFile: TFile;
@@ -8258,21 +8101,11 @@ var
         UpdateVersionInfo(ConvertFile, TFileVersionNumbers(nil^), VersionInfoProductVersion, VersionInfoCompany,
           '', '', VersionInfoCopyright, VersionInfoProductName, VersionInfoProductTextVersion, VersionInfoOriginalFileName,
           False);
-        if RemoveManifestDllHijackProtection then begin
-          AddStatus(Format(SCompilerStatusUpdatingManifest, ['SETUP.E32']));
-          CompExeUpdate.RemoveManifestDllHijackProtection(ConvertFile, False);
-        end else begin
-          { Use the opportunity to check that the manifest is correctly prepared for removing the
-            protection, without actually removing it. Doing this only once per compile since there's
-            only one source manifest. }
-          CompExeUpdate.RemoveManifestDllHijackProtection(ConvertFile, True);
-        end;
       finally
         ConvertFile.Free;
       end;
       M := TMemoryFile.Create(ConvertFilename);
-      UpdateSetupPEHeaderFields(M, RemoveManifestDllHijackProtection, TerminalServicesAware,
-        DEPCompatible, ASLRCompatible);
+      UpdateSetupPEHeaderFields(M, TerminalServicesAware, DEPCompatible, ASLRCompatible);
       if shSignedUninstaller in SetupHeader.Options then
         SignSetupE32(M);
     finally
@@ -8408,10 +8241,8 @@ var
   SetupE32: TMemoryFile;
   I: Integer;
   AppNameHasConsts, AppVersionHasConsts, AppPublisherHasConsts,
-    AppCopyrightHasConsts, AppIdHasConsts, Uninstallable, RemoveManifestDllHijackProtection: Boolean;
+    AppCopyrightHasConsts, AppIdHasConsts, Uninstallable: Boolean;
   PrivilegesRequiredValue: String;
-  OSVersionInfo: TOSVersionInfo;
-  WindowsVersion: Cardinal;
 begin
   { Sanity check: A single TSetupCompiler instance cannot be used to do
     multiple compiles. A separate instance must be used for each compile,
@@ -8758,28 +8589,28 @@ begin
     { Prepare Setup executable & signed uninstaller data }
     if Output then begin
       AddStatus(SCompilerStatusPreparingSetupExe);
-      { The manifest block protecting special DLLs breaks Vista compatibility }
-      RemoveManifestDllHijackProtection := SetupHeader.MinVersion.NTVersion < $06010000;
-      if RemoveManifestDllHijackProtection then
-        WarningsList.Add(Format(SCompilerRemoveManifestDllHijackProtection, ['6.1']))
-      else begin
-        OSVersionInfo.dwOSVersionInfoSize := SizeOf(OSVersionInfo);
-        if GetVersionEx(OSVersionInfo) then begin
-          WindowsVersion := (Byte(OSVersionInfo.dwMajorVersion) shl 24) or
-            (Byte(OSVersionInfo.dwMinorVersion) shl 16) or Word(OSVersionInfo.dwBuildNumber);
-          if WindowsVersion < Cardinal($06010000) then
-            WarningsList.Add(Format(SCompilerDidntRemoveManifestDllHijackProtection, ['6.1']))
-        end;
-      end;
-      PrepareSetupE32(SetupE32, RemoveManifestDllHijackProtection);
-    end else begin
+      PrepareSetupE32(SetupE32);
+    end else
       AddStatus(SCompilerStatusSkippingPreparingSetupExe);
-      RemoveManifestDllHijackProtection := False; { silence compiler }
-    end;
 
     { Read languages:
 
-      Non Unicode:
+      0. Determine final code pages:
+      Unicode Setup uses Unicode text and does not depend on the system code page. To
+      provide Setup with Unicode text without requiring Unicode .isl files (but still
+      supporting Unicode .iss, license and info files), the compiler converts the .isl
+      files to Unicode during compilation. It also does this if it finds ANSI plain text
+      license and info files. To be able to do this it needs to know the language's code
+      page but as seen above it can't simply take this from the current .isl. And license
+      and info files do not even have a language code page setting.
+
+      This means the Unicode compiler has to do an extra phase: following the logic above
+      it first determines the final language code page for each language, storing these
+      into an extra list called PreDataList, and then it continues as normal while using
+      the final language code page for any conversions needed.
+
+      Note: it must avoid caching the .isl files while determining the code pages, since
+      the conversion is done *before* the caching.
 
       1. Read Default.isl messages:
 
@@ -8835,35 +8666,8 @@ begin
       4. Check 'language completeness' of custom message constants:
       CheckCustomMessageDefinitions is used to check for missing custom messages and
       where necessary it 'promotes' a custom message by resetting its LangIndex property
-      to -1.
-
-      5. Display the language at run time:
-      Setup checks if the system code page matches the language code page, and only shows
-      the language if it does. The system code page is then used to display all text, this
-      does not only include messages and custom messages, but also any readme and info files.
-
-      Unicode:
-
-      Unicode works exactly like above with one exception:
-
-      0. Determine final code pages:
-      Unicode Setup uses Unicode text and does not depend on the system code page. To
-      provide Setup with Unicode text without requiring Unicode .isl files (but still
-      supporting Unicode .iss, license and info files), the compiler converts the .isl
-      files to Unicode during compilation. It also does this if it finds ANSI plain text
-      license and info files. To be able to do this it needs to know the language's code
-      page but as seen above it can't simply take this from the current .isl. And license
-      and info files do not even have a language code page setting.
+      to -1. }
 
-      This means the Unicode compiler has to do an extra phase: following the logic above
-      it first determines the final language code page for each language, storing these
-      into an extra list called PreDataList, and then it continues as normal while using
-      the final language code page for any conversions needed.
-
-      Note: it must avoid caching the .isl files while determining the code pages, since
-      the conversion is done *before* the caching. }
-
-{$IFDEF UNICODE}
     { 0. Determine final language code pages }
     AddStatus(SCompilerStatusDeterminingCodePages);
 
@@ -8874,7 +8678,6 @@ begin
 
     { 0.2. Read [LangOptions] in the script }
     ReadMessagesFromScriptPre;
-{$ENDIF}
 
     { 1. Read Default.isl messages }
     AddStatus(SCompilerStatusReadingDefaultMessages);
@@ -9046,8 +8849,7 @@ begin
           end;
           SetupFile := TFile.Create(ExeFilename, fdOpenExisting, faReadWrite, fsNone);
           try
-            UpdateSetupPEHeaderFields(SetupFile, RemoveManifestDllHijackProtection,
-              TerminalServicesAware, DEPCompatible, ASLRCompatible);
+            UpdateSetupPEHeaderFields(SetupFile, TerminalServicesAware, DEPCompatible, ASLRCompatible);
             SizeOfExe := SetupFile.Size.Lo;
           finally
             SetupFile.Free;
@@ -9107,10 +8909,7 @@ begin
               True);
 
             { Update manifest if needed }
-            if RemoveManifestDllHijackProtection then begin
-              AddStatus(Format(SCompilerStatusUpdatingManifest, ['SETUP.EXE']));
-              CompExeUpdate.RemoveManifestDllHijackProtection(ExeFile, False);
-            end else if UseSetupLdr then begin
+            if UseSetupLdr then begin
               AddStatus(Format(SCompilerStatusUpdatingManifest, ['SETUP.EXE']));
               CompExeUpdate.PreventCOMCTL32Sideloading(ExeFile);
             end;
@@ -9186,9 +8985,7 @@ begin
     FileLocationEntryFilenames.Clear;
     FreeLineInfoList(ExpectedCustomMessageNames);
     FreeLangData;
-{$IFDEF UNICODE}
     FreePreLangData;
-{$ENDIF}
     FreeScriptFiles;
     FreeLineInfoList(CodeText);
     FreeAndNil(CompressProps);
@@ -9360,10 +9157,6 @@ begin
 end;
 
 initialization
-{$IFNDEF UNICODE}
-  GetLeadBytes(CompilerLeadBytes);
-  ConstLeadBytes := @CompilerLeadBytes;
-{$ENDIF}
 finalization
   if CryptProv <> 0 then begin
     CryptReleaseContext(CryptProv, 0);

Projects/DebugClient.pas

@@ -2,7 +2,7 @@ unit DebugClient;
 
 {
   Inno Setup
-  Copyright (C) 1997-2019 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -71,9 +71,8 @@ begin
   if DebugClientWnd = 0 then
     InternalError('Failed to create DebugClientWnd');
 
-  { On Vista, unprivileged processes can't send messages to elevated processes
-    by default. Allow the debugger (which normally runs unprivileged) to send
-    messages to us. }
+  { Unprivileged processes can't send messages to elevated processes by default.
+    Allow the debugger (which normally runs unprivileged) to send messages to us. }
   for I := Low(DebugClientMessages) to High(DebugClientMessages) do
     AddToWindowMessageFilterEx(DebugClientWnd, DebugClientMessages[I]);
 

Projects/DebugStruct.pas

@@ -2,7 +2,7 @@ unit DebugStruct;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -101,11 +101,9 @@ function GetThreadTopWindow: HWND;
 function SendCopyDataMessage(DestWnd, SourceWnd: HWND; CopyDataMsg: DWORD;
   Data: Pointer; Size: Cardinal): LRESULT;
 function SendCopyDataMessageStr(DestWnd, SourceWnd: HWND; CopyDataMsg: DWORD;
-  Data: AnsiString): LRESULT;{$IFDEF UNICODE} overload;{$ENDIF}
-{$IFDEF UNICODE}
+  Data: AnsiString): LRESULT; overload;
 function SendCopyDataMessageStr(DestWnd, SourceWnd: HWND; CopyDataMsg: DWORD;
   Data: UnicodeString): LRESULT; overload;
-{$ENDIF}
 
 implementation
 
@@ -140,29 +138,15 @@ end;
 function SendCopyDataMessageStr(DestWnd, SourceWnd: HWND; CopyDataMsg: DWORD;
   Data: AnsiString): LRESULT;
 begin
-  { Windows 95/98/Me bug workaround: Call UniqueString to ensure the string is
-    in writable memory. Amazingly enough, sending a WM_COPYDATA message with a
-    read-only buffer causes a fatal page fault error. }
-  if (Win32Platform = VER_PLATFORM_WIN32_WINDOWS) and
-     IsBadWritePtr(Pointer(Data), Length(Data)*SizeOf(Data[1])) then
-    UniqueString(Data);
   Result := SendCopyDataMessage(DestWnd, SourceWnd, CopyDataMsg,
     Pointer(Data), Length(Data)*SizeOf(Data[1]));
 end;
 
-{$IFDEF UNICODE}
 function SendCopyDataMessageStr(DestWnd, SourceWnd: HWND; CopyDataMsg: DWORD;
   Data: UnicodeString): LRESULT;
 begin
-  { Windows 95/98/Me bug workaround: Call UniqueString to ensure the string is
-    in writable memory. Amazingly enough, sending a WM_COPYDATA message with a
-    read-only buffer causes a fatal page fault error. }
-  if (Win32Platform = VER_PLATFORM_WIN32_WINDOWS) and
-     IsBadWritePtr(Pointer(Data), Length(Data)*SizeOf(Data[1])) then
-    UniqueString(Data);
   Result := SendCopyDataMessage(DestWnd, SourceWnd, CopyDataMsg,
     Pointer(Data), Length(Data)*SizeOf(Data[1]));
 end;
-{$ENDIF}
 
 end.

Projects/FileClass.pas

@@ -96,18 +96,14 @@ type
     FBufferOffset, FBufferSize: Cardinal;
     FEof: Boolean;
     FBuffer: array[0..4095] of AnsiChar;
-{$IFDEF UNICODE}
     FSawFirstLine: Boolean;
     FCodePage: Cardinal;
-{$ENDIF}
-    function DoReadLine{$IFDEF UNICODE}(const UTF8: Boolean){$ENDIF}: AnsiString;
+    function DoReadLine(const UTF8: Boolean): AnsiString;
     function GetEof: Boolean;
     procedure FillBuffer;
   public
     function ReadLine: String;
-{$IFDEF UNICODE}
     function ReadAnsiLine: AnsiString;
-{$ENDIF}
     property CodePage: Cardinal write FCodePage;
     property Eof: Boolean read GetEof;
   end;
@@ -116,7 +112,7 @@ type
   private
     FSeekedToEnd: Boolean;
     FUTF8NoPreamble: Boolean;
-    procedure DoWrite(const S: AnsiString{$IFDEF UNICODE}; const UTF8: Boolean{$ENDIF});
+    procedure DoWrite(const S: AnsiString; const UTF8: Boolean);
   protected
     function CreateHandle(const AFilename: String;
       ACreateDisposition: TFileCreateDisposition; AAccess: TFileAccess;
@@ -125,10 +121,8 @@ type
     property UTF8NoPreamble: Boolean read FUTF8NoPreamble write FUTF8NoPreamble;
     procedure Write(const S: String);
     procedure WriteLine(const S: String);
-{$IFDEF UNICODE}
     procedure WriteAnsi(const S: AnsiString);
     procedure WriteAnsiLine(const S: AnsiString);
-{$ENDIF}
   end;
 
   TFileMapping = class
@@ -438,29 +432,21 @@ begin
 end;
 
 function TTextFileReader.ReadLine: String;
-{$IFDEF UNICODE}
 var
  S: RawByteString;
-{$ENDIF}
 begin
-{$IFDEF UNICODE}
  S := DoReadLine(True);
  if FCodePage <> 0 then
    SetCodePage(S, FCodePage, False);
  Result := String(S);
-{$ELSE}
- Result := DoReadLine;
-{$ENDIF}
 end; 
 
-{$IFDEF UNICODE}
 function TTextFileReader.ReadAnsiLine: AnsiString;
 begin
   Result := DoReadLine(False);
 end;
-{$ENDIF}
 
-function TTextFileReader.DoReadLine{$IFDEF UNICODE}(const UTF8: Boolean){$ENDIF}: AnsiString;
+function TTextFileReader.DoReadLine(const UTF8: Boolean): AnsiString;
 var
   I, L: Cardinal;
   S: AnsiString;
@@ -502,7 +488,7 @@ begin
       Break;
     end;
   end;
-  {$IFDEF UNICODE}
+
   if not FSawFirstLine then begin
     if UTF8 then begin
       { Handle UTF8 as requested: check for a BOM at the start and if not found then check entire file }
@@ -526,7 +512,7 @@ begin
     end;
     FSawFirstLine := True;
   end;
-  {$ENDIF}
+
   Result := S;
 end;
 
@@ -545,17 +531,11 @@ begin
     ASharing);
 end;
 
-{$IFDEF UNICODE}
 procedure TTextFileWriter.DoWrite(const S: AnsiString; const UTF8: Boolean);
-{$ELSE}
-procedure TTextFileWriter.DoWrite(const S: String);
-{$ENDIF}
 { Writes a string to the file, seeking to the end first if necessary }
 const
   CRLF: array[0..1] of AnsiChar = (#13, #10);
-{$IFDEF UNICODE}
   UTF8Preamble: array[0..2] of AnsiChar = (#$EF, #$BB, #$BF);
-{$ENDIF}
 var
   I: Integer64;
   C: AnsiChar;
@@ -578,12 +558,8 @@ begin
         { Otherwise, append CRLF }
         WriteBuffer(CRLF, SizeOf(CRLF));
       end;
-{$IFDEF UNICODE}
     end else if UTF8 and not FUTF8NoPreamble then
       WriteBuffer(UTF8Preamble, SizeOf(UTF8Preamble));
-{$ELSE}
-    end;
-{$ENDIF}
     FSeekedToEnd := True;
   end;
   WriteBuffer(Pointer(S)^, Length(S));
@@ -591,11 +567,7 @@ end;
 
 procedure TTextFileWriter.Write(const S: String);
 begin
-{$IFDEF UNICODE}
   DoWrite(UTF8Encode(S), True);
-{$ELSE}
-  DoWrite(S);
-{$ENDIF}
 end;
 
 procedure TTextFileWriter.WriteLine(const S: String);
@@ -603,7 +575,6 @@ begin
   Write(S + #13#10);
 end;
 
-{$IFDEF UNICODE}
 procedure TTextFileWriter.WriteAnsi(const S: AnsiString);
 begin
   DoWrite(S, False);
@@ -613,7 +584,6 @@ procedure TTextFileWriter.WriteAnsiLine(const S: AnsiString);
 begin
   WriteAnsi(S + #13#10);
 end;
-{$ENDIF}
 
 { TFileMapping }
 
@@ -629,9 +599,7 @@ const
 begin
   inherited Create;
 
-  { Dynamically import RtlNtStatusToDosError since Windows 95 doesn't have it }
-  if not Assigned(_RtlNtStatusToDosError) and
-     (Win32Platform = VER_PLATFORM_WIN32_NT) then
+  if not Assigned(_RtlNtStatusToDosError) then
     _RtlNtStatusToDosError := GetProcAddress(GetModuleHandle('ntdll.dll'),
       'RtlNtStatusToDosError');
 
@@ -684,16 +652,14 @@ begin
      (Cardinal(EExternalException(E).ExceptionRecord.NumberParameters) >= Cardinal(2)) and
      (Cardinal(EExternalException(E).ExceptionRecord.ExceptionInformation[1]) >= Cardinal(FMemory)) and
      (Cardinal(EExternalException(E).ExceptionRecord.ExceptionInformation[1]) < Cardinal(Cardinal(FMemory) + FMapSize)) then begin
-    { NT has a third parameter containing the NT status code of the error
+    { There should be a third parameter containing the NT status code of the error
       condition that caused the exception. Convert that into a Win32 error code
       and use it to generate our error message. }
     if (Cardinal(EExternalException(E).ExceptionRecord.NumberParameters) >= Cardinal(3)) and
        Assigned(_RtlNtStatusToDosError) then
       TFile.RaiseError(_RtlNtStatusToDosError(EExternalException(E).ExceptionRecord.ExceptionInformation[2]))
     else begin
-      { Windows 9x/Me doesn't have a third parameter, and 95 doesn't have
-        RtlNtStatusToDosError, so use generic "The system cannot [read|write]
-        to the specified device" errors }
+      { Use generic "The system cannot [read|write] to the specified device" errors }
       if EExternalException(E).ExceptionRecord.ExceptionInformation[0] = 0 then
         TFile.RaiseError(ERROR_READ_FAULT)
       else

Projects/Helper.pas

@@ -2,7 +2,7 @@ unit Helper;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -10,8 +10,6 @@ unit Helper;
 
   NOTE: These functions are NOT thread-safe. Do not call them from multiple
   threads simultaneously.
-
-  $jrsoftware: issrc/Projects/Helper.pas,v 1.14 2010/10/20 02:43:26 jr Exp $
 }
 
 interface
@@ -146,7 +144,6 @@ begin
 end;
 
 procedure FillWideCharBuffer(var Buf: array of WideChar; const S: String);
-{$IFDEF UNICODE}
 begin
   if High(Buf) <= 0 then
     InternalError('FillWideCharBuffer: Invalid Buf');
@@ -154,23 +151,6 @@ begin
     InternalError('FillWideCharBuffer: String too long');
   StrPLCopy(Buf, S, High(Buf));
 end;
-{$ELSE}
-var
-  SourceLen, DestLen: Integer;
-begin
-  if High(Buf) <= 0 then
-    InternalError('FillWideCharBuffer: Invalid Buf');
-  SourceLen := Length(S);
-  if SourceLen = 0 then
-    DestLen := 0
-  else begin
-    DestLen := MultiByteToWideChar(CP_ACP, 0, PChar(S), SourceLen, Buf, High(Buf));
-    if DestLen <= 0 then
-      InternalError('FillWideCharBuffer: MultiByteToWideChar failed');
-  end;
-  Buf[DestLen] := #0;
-end;
-{$ENDIF}
 
 { THelper }
 

Projects/HtmlHelpFunc.pas

@@ -2,13 +2,11 @@ unit HtmlHelpFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2006 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   Functions for HTML Help
-
-  $jrsoftware: issrc/Projects/HtmlHelpFunc.pas,v 1.6 2009/03/23 23:16:44 mlaan Exp $
 }
 
 interface
@@ -56,7 +54,7 @@ begin
   if HHCtrl = 0 then begin
     HHCtrl := LoadLibrary(PChar(AddBackslash(GetSystemDir) + 'hhctrl.ocx'));
     if HHCtrl <> 0 then
-      HtmlHelp := GetProcAddress(HHCtrl, {$IFDEF UNICODE}'HtmlHelpW'{$ELSE}'HtmlHelpA'{$ENDIF})
+      HtmlHelp := GetProcAddress(HHCtrl, 'HtmlHelpW')
     else
       HtmlHelp := nil;
    end;

Projects/ISCC.dpr

@@ -27,8 +27,8 @@ uses
   CompTypes in 'CompTypes.pas';
 
 {$SetPEFlags IMAGE_FILE_RELOCS_STRIPPED} 
-{$SETPEOSVERSION 6.0}
-{$SETPESUBSYSVERSION 6.0}
+{$SETPEOSVERSION 6.1}
+{$SETPESUBSYSVERSION 6.1}
 {$WEAKLINKRTTI ON}
 
 {$R ISCC.manifest.res}

Projects/ISCmplr.dpr

@@ -33,8 +33,8 @@ uses
   PathFunc in '..\Components\PathFunc.pas';
 
 {$IMAGEBASE $00800000}
-{$SETPEOSVERSION 6.0}
-{$SETPESUBSYSVERSION 6.0}
+{$SETPEOSVERSION 6.1}
+{$SETPESUBSYSVERSION 6.1}
 {$WEAKLINKRTTI ON}
 
 {$R ISCmplr.images.res}

Projects/ISPP/ISPP.dpr

@@ -3,7 +3,7 @@
   Copyright (C) 2001-2002 Alex Yackimoff
   
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 }
@@ -36,8 +36,8 @@ uses
   Struct in '..\Struct.pas';
   
 {$IMAGEBASE $01800000}
-{$SETPEOSVERSION 6.0}
-{$SETPESUBSYSVERSION 6.0}
+{$SETPEOSVERSION 6.1}
+{$SETPESUBSYSVERSION 6.1}
 {$WEAKLINKRTTI ON}
 
 {$R ISPP.version.res}

Projects/ISPP/IsppFuncs.pas

@@ -3,7 +3,7 @@
   Copyright (C) 2001-2002 Alex Yackimoff
 
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 }
@@ -1500,19 +1500,19 @@ begin
   try
     with IInternalFuncParams(Params) do
     begin
-      OldDateSeparator := {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator;
-      OldTimeSeparator := {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator;
+      OldDateSeparator := FormatSettings.DateSeparator;
+      OldTimeSeparator := FormatSettings.TimeSeparator;
       try
         NewDateSeparatorString := Get(1).AsStr;
         NewTimeSeparatorString := Get(2).AsStr;
         if NewDateSeparatorString <> '' then
-          {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator := NewDateSeparatorString[1];
+          FormatSettings.DateSeparator := NewDateSeparatorString[1];
         if NewTimeSeparatorString <> '' then
-          {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator := NewTimeSeparatorString[1];
+          FormatSettings.TimeSeparator := NewTimeSeparatorString[1];
         MakeStr(ResPtr^, FormatDateTime(Get(0).AsStr, Now()));
       finally
-        {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator := OldTimeSeparator;
-        {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator := OldDateSeparator;
+        FormatSettings.TimeSeparator := OldTimeSeparator;
+        FormatSettings.DateSeparator := OldDateSeparator;
       end;
     end;
   except
@@ -1535,23 +1535,23 @@ begin
   try
     with IInternalFuncParams(Params) do
     begin
-      OldDateSeparator := {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator;
-      OldTimeSeparator := {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator;
+      OldDateSeparator := FormatSettings.DateSeparator;
+      OldTimeSeparator := FormatSettings.TimeSeparator;
       try
         NewDateSeparatorString := Get(2).AsStr;
         NewTimeSeparatorString := Get(3).AsStr;
         if NewDateSeparatorString <> '' then
-          {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator := NewDateSeparatorString[1];
+          FormatSettings.DateSeparator := NewDateSeparatorString[1];
         if NewTimeSeparatorString <> '' then
-          {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator := NewTimeSeparatorString[1];
+          FormatSettings.TimeSeparator := NewTimeSeparatorString[1];
         if not FileAge(PrependPath(Ext, Get(0).AsStr), Age) then begin
           FuncResult.Error('Invalid file name');
           Result.Error := ISPPFUNC_FAIL
         end else
           MakeStr(ResPtr^, FormatDateTime(Get(1).AsStr, Age));
       finally
-        {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator := OldTimeSeparator;
-        {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator := OldDateSeparator;
+        FormatSettings.TimeSeparator := OldTimeSeparator;
+        FormatSettings.DateSeparator := OldDateSeparator;
       end;
     end;
   except
@@ -1620,7 +1620,6 @@ end;
 
 function GetMD5OfUnicodeString(Ext: Longint; const Params: IIsppFuncParams;
   const FuncResult: IIsppFuncResult): TIsppFuncResult; stdcall;
-{$IFDEF UNICODE}
 var
   S: UnicodeString;
 begin
@@ -1639,12 +1638,6 @@ begin
     end;
   end;
 end;
-{$ELSE}
-begin
-  FuncResult.Error('Cannot call "GetMD5OfUnicodeString" function during non Unicode compilation');
-  Result.Error := ISPPFUNC_FAIL
-end;
-{$ENDIF}
 
 function GetSHA1OfFile(Ext: Longint; const Params: IIsppFuncParams;
   const FuncResult: IIsppFuncResult): TIsppFuncResult; stdcall;
@@ -1703,7 +1696,6 @@ end;
 
 function GetSHA1OfUnicodeString(Ext: Longint; const Params: IIsppFuncParams;
   const FuncResult: IIsppFuncResult): TIsppFuncResult; stdcall;
-{$IFDEF UNICODE}
 var
   S: UnicodeString;
 begin
@@ -1722,12 +1714,6 @@ begin
     end;
   end;
 end;
-{$ELSE}
-begin
-  FuncResult.Error('Cannot call "GetSHA1OfUnicodeString" function during non Unicode compilation');
-  Result.Error := ISPPFUNC_FAIL
-end;
-{$ENDIF}
 
 function TrimFunc(Ext: Longint; const Params: IIsppFuncParams;
   const FuncResult: IIsppFuncResult): TIsppFuncResult; stdcall;

Projects/ISPP/IsppPreprocessor.pas

@@ -3,7 +3,7 @@
   Copyright (C) 2001-2002 Alex Yackimoff
   
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 }
@@ -859,11 +859,7 @@ function TPreprocessor.ProcessPreprocCommand(Command: TPreprocessorCommand;
       if Windows.GetTempFileName(PChar(Path), PChar(UpperCase(Original)), 0, PChar(Result)) <> 0 then
         SetLength(Result, StrLen(PChar(Result)))
       else
-        {$IFDEF IS_D7}
-        RaiseLastOSError
-        {$ELSE}
-        RaiseLastWin32Error;
-        {$ENDIF}
+        RaiseLastOSError;
     end;
 
   var
@@ -1079,20 +1075,14 @@ begin
 end;
 
 procedure TPreprocessor.SaveToFile(const FileName: string);
-{$IFDEF UNICODE}
 var
   S: String;
-{$ENDIF}
 begin
-{$IFDEF UNICODE}
   S := FOutput.Text;
   if SameText(S, String(AnsiString(S))) then
     FOutput.SaveToFile(FileName)
   else
     FOutput.SaveToFile(FileName, TEncoding.UTF8);
-{$ELSE}
-  FOutput.SaveToFile(FileName)
-{$ENDIF}
 end;
 
 function TPreprocessor.CheckFile(const FileName: string): Boolean;
@@ -1408,13 +1398,8 @@ end;
 
 function LookupAlwaysDefined(const Name: string): Boolean;
 const
-{$IFDEF UNICODE}
   AlwaysDefined: array[0..3] of string =
     ('ISPP_INVOKED', 'WINDOWS', '__WIN32__', 'UNICODE');
-{$ELSE}
-  AlwaysDefined: array[0..2] of string =
-    ('ISPP_INVOKED', 'WINDOWS', '__WIN32__');
-{$ENDIF}
 var
   I: Integer;
 begin

Projects/ISPP/IsppSessions.pas

@@ -3,7 +3,7 @@
   Copyright (C) 2001-2002 Alex Yackimoff
 
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 }
@@ -25,7 +25,7 @@ implementation
 
 {$I ..\Version.inc}
 
-uses SysUtils, Classes, IsppStack {$IFDEF IS_D12}, Windows{$ENDIF};
+uses SysUtils, Classes, IsppStack, Windows;
 
 procedure WarningMsg(const Msg: string; const Args: array of const);
 var

Projects/InstFnc2.pas

@@ -2,7 +2,7 @@ unit InstFnc2;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -15,7 +15,7 @@ interface
 
 function CreateShellLink(const Filename, Description, ShortcutTo, Parameters,
   WorkingDir: String; IconFilename: String; const IconIndex, ShowCmd: Integer;
-  const HotKey: Word; FolderShortcut: Boolean; const AppUserModelID: String;
+  const HotKey: Word; const AppUserModelID: String;
   const AppUserModelToastActivatorCLSID: PGUID;
   const ExcludeFromShowInNewInstall, PreventPinning: Boolean): String;
 procedure RegisterTypeLibrary(const Filename: String);
@@ -26,27 +26,7 @@ implementation
 
 uses
   Windows, SysUtils, PathFunc, CmnFunc2, InstFunc, Main, Msgs, MsgIDs,
-  {$IFNDEF Delphi3orHigher} OLE2, {$ELSE} ActiveX, ComObj, {$ENDIF}
-  {$IFDEF IS_D14} PropSys, {$ENDIF}
-  ShellAPI, ShlObj;
-
-function IsWindowsXP: Boolean;
-{ Returns True if running Windows XP or later }
-begin
-  Result := (WindowsVersion >= Cardinal($05010000));
-end;
-
-function IsWindowsVista: Boolean;
-{ Returns True if running Windows Vista or later }
-begin
-  Result := (WindowsVersion >= Cardinal($06000000));
-end;
-
-function IsWindows7: Boolean;
-{ Returns True if running Windows 7 or later }
-begin
-  Result := (WindowsVersion >= Cardinal($06010000));
-end;
+  ActiveX, ComObj, PropSys, ShellAPI, ShlObj;
 
 function IsWindows8: Boolean;
 { Returns True if running Windows 8 or later }
@@ -100,15 +80,12 @@ begin
   Result := '';
   CurFilename := nil;
   OleResult := PF.GetCurFile(CurFilename);
-  { Note: Prior to Windows 2000/Me, GetCurFile succeeds but returns a NULL
-    pointer }
   if SUCCEEDED(OleResult) and Assigned(CurFilename) then begin
     if OleResult = S_OK then
       Result := WideCharToString(CurFilename);
     CoTaskMemFree(CurFilename);
   end;
-  { If GetCurFile didn't work (e.g. not running Windows 2000/Me or later), we
-    have no choice but to try to guess the filename }
+  { If GetCurFile didn't work, we have no choice but to try to guess the filename }
   if Result = '' then begin
     if NewFileExists(OriginalFilename) then
       Result := OriginalFilename
@@ -121,48 +98,9 @@ begin
   end;
 end;
 
-{$IFNDEF UNICODE}
-type
-  TPropertyKey = packed record
-    fmtid: TGUID;
-    pid: DWORD;
-  end;
-
-{$IFNDEF IS_D4}
-  TPropVariant = TVariantArg;
-{$ENDIF}
-
-{$IFNDEF Delphi3orHigher}
-const
-  IID_IPropertyStore: TGUID = (
-    D1:$886d8eeb; D2:$8cf2; D3:$4446; D4:($8d,$02,$cd,$ba,$1d,$bd,$cf,$99));
-
-type
-  IPropertyStore = class(IUnknown)
-    function GetCount(var cProps: DWORD): HResult; virtual; stdcall; abstract;
-    function GetAt(iProp: DWORD; var pkey: TPropertyKey): HResult; virtual; stdcall; abstract;
-    function GetValue(const key: TPropertyKey; var pv: TPropVariant): HResult; virtual; stdcall; abstract;
-    function SetValue(const key: TPropertyKey; const propvar: TPropVariant): HResult; virtual; stdcall; abstract;
-    function Commit: HResult; virtual; stdcall; abstract;
-  end;
-{$ELSE}
-{$IFNDEF IS_D14}
-type
-  IPropertyStore = interface(IUnknown)
-    ['{886d8eeb-8cf2-4446-8d02-cdba1dbdcf99}']
-    function GetCount(var cProps: DWORD): HResult; stdcall;
-    function GetAt(iProp: DWORD; var pkey: TPropertyKey): HResult; stdcall;
-    function GetValue(const key: TPropertyKey; var pv: TPropVariant): HResult; stdcall;
-    function SetValue(const key: TPropertyKey; const propvar: TPropVariant): HResult; stdcall;
-    function Commit: HResult; stdcall;
-  end;
-{$ENDIF}
-{$ENDIF}
-{$ENDIF}
-
 function CreateShellLink(const Filename, Description, ShortcutTo, Parameters,
   WorkingDir: String; IconFilename: String; const IconIndex, ShowCmd: Integer;
-  const HotKey: Word; FolderShortcut: Boolean; const AppUserModelID: String;
+  const HotKey: Word; const AppUserModelID: String;
   const AppUserModelToastActivatorCLSID: PGUID;
   const ExcludeFromShowInNewInstall, PreventPinning: Boolean): String;
 { Creates a lnk file named Filename, with a description of Description, with a
@@ -173,8 +111,6 @@ function CreateShellLink(const Filename, Description, ShortcutTo, Parameters,
   is not necessary if you are using Delphi 3 and your project already 'uses'
   the ComObj RTL unit. }
 const
-  CLSID_FolderShortcut: TGUID = (
-    D1:$0AFACED1; D2:$E828; D3:$11D1; D4:($91,$87,$B5,$32,$F1,$E9,$57,$5D));
   PKEY_AppUserModel_ID: TPropertyKey = (
     fmtid: (D1:$9F4C2855; D2:$9F79; D3:$4B39; D4:($A8,$D0,$E1,$D4,$2D,$E1,$D5,$F3));
     pid: 5);
@@ -192,163 +128,20 @@ const
     pid: 26);
   APPUSERMODEL_STARTPINOPTION_NOPINONINSTALL = 1;
 
-{$IFNDEF Delphi3OrHigher}
-var
-  OleResult: HRESULT;
-  SL: IShellLink;
-  PS: IPropertyStore;
-  PV: TPropVariant;
-  PF: IPersistFile;
-  WideFilename: PWideChar;
-begin
-  if FolderShortcut then
-    OleResult := CoCreateInstance(CLSID_FolderShortcut, nil, CLSCTX_INPROC_SERVER,
-      IID_IShellLink, SL)
-  else
-    OleResult := E_FAIL;
-  { If a folder shortcut wasn't requested, or if CoCreateInstance failed
-    because the user isn't running Windows 2000/Me or later, create a normal
-    shell link instead }
-  if OleResult <> S_OK then begin
-    FolderShortcut := False;
-    OleResult := CoCreateInstance(CLSID_ShellLink, nil, CLSCTX_INPROC_SERVER,
-       IID_IShellLink, SL);
-    if OleResult <> S_OK then
-      RaiseOleError('CoCreateInstance', OleResult);
-  end;
-  PF := nil;
-  PS := nil;
-  WideFilename := nil;
-  try
-    SL.SetPath(PChar(ShortcutTo));
-    SL.SetArguments(PChar(Parameters));
-    if not FolderShortcut then
-      AssignWorkingDir(SL, WorkingDir);
-    if IconFilename <> '' then begin
-      { Work around a 64-bit Windows bug. It replaces pf32 with %ProgramFiles%
-      which is wrong. This causes an error when the user tries to change the
-      icon of the installed shortcut. Note that the icon does actually display
-      fine because it *also* stores the original 'non replaced' path in the
-      shortcut. } 
-      if IsWin64 then
-        StringChangeEx(IconFileName, ExpandConst('{commonpf32}\'), '%ProgramFiles(x86)%\', True);
-      SL.SetIconLocation(PChar(IconFilename), IconIndex);
-    end;
-    SL.SetShowCmd(ShowCmd);
-    if Description <> '' then
-      SL.SetDescription(PChar(Description));
-    if HotKey <> 0 then
-      SL.SetHotKey(HotKey);
-
-    { Note: Vista and newer support IPropertyStore but Vista errors if you try to
-      commit a PKEY_AppUserModel_ID, so avoid setting the property on Vista. }
-    if IsWindows7 and ((AppUserModelID <> '') or (AppUserModelToastActivatorCLSID <> nil) or ExcludeFromShowInNewInstall or PreventPinning) then begin
-      OleResult := SL.QueryInterface(IID_IPropertyStore, PS);
-      if OleResult <> S_OK then
-        RaiseOleError('IShellLink::QueryInterface(IID_IPropertyStore)', OleResult);
-      { According to MSDN the PreventPinning property should be set before the ID property. In practice
-        this doesn't seem to matter - at least not for shortcuts - but do it first anyway. }
-      if PreventPinning then begin
-        PV.vt := VT_BOOL;
-        Smallint(PV.vbool) := -1;
-        OleResult := PS.SetValue(PKEY_AppUserModel_PreventPinning, PV);
-        if OleResult <> S_OK then
-          RaiseOleError('IPropertyStore::SetValue(PKEY_AppUserModel_PreventPinning)', OleResult);
-      end;
-      if AppUserModelID <> '' then begin
-        PV.vt := VT_BSTR;
-        PV.bstrVal := StringToOleStr(AppUserModelID);
-        if PV.bstrVal = nil then
-          OutOfMemoryError;
-        try
-          OleResult := PS.SetValue(PKEY_AppUserModel_ID, PV);
-          if OleResult <> S_OK then
-            RaiseOleError('IPropertyStore::SetValue(PKEY_AppUserModel_ID)', OleResult);
-        finally
-          SysFreeString(PV.bstrVal);
-        end;
-      end;
-      if IsWindows10 and (AppUserModelToastActivatorCLSID <> nil) then begin
-        PV.vt := VT_CLSID;
-        PV.puuid := AppUserModelToastActivatorCLSID;
-        OleResult := PS.SetValue(PKEY_AppUserModel_ToastActivatorCLSID, PV);
-        if OleResult <> S_OK then
-          RaiseOleError('IPropertyStore::SetValue(PKEY_AppUserModel_ToastActivatorCLSID)', OleResult);
-      end;
-      if ExcludeFromShowInNewInstall then begin
-        PV.vt := VT_BOOL;
-        Smallint(PV.vbool) := -1;
-        OleResult := PS.SetValue(PKEY_AppUserModel_ExcludeFromShowInNewInstall, PV);
-        if OleResult <> S_OK then
-          RaiseOleError('IPropertyStore::SetValue(PKEY_AppUserModel_ExcludeFromShowInNewInstall)', OleResult);
-        if IsWindows8 then begin
-          PV.vt := VT_UI4;
-          PV.lVal := APPUSERMODEL_STARTPINOPTION_NOPINONINSTALL;
-          OleResult := PS.SetValue(PKEY_AppUserModel_StartPinOption, PV);
-          if OleResult <> S_OK then
-            RaiseOleError('IPropertyStore::SetValue(PKEY_AppUserModel_StartPinOption)', OleResult);
-        end;
-      end;
-      OleResult := PS.Commit;
-      if OleResult <> S_OK then
-        RaiseOleError('IPropertyStore::Commit', OleResult);
-    end;
-
-    OleResult := SL.QueryInterface(IID_IPersistFile, PF);
-    if OleResult <> S_OK then
-      RaiseOleError('IShellLink::QueryInterface(IID_IPersistFile)', OleResult);
-    { When creating a folder shortcut on 2000/Me, IPersistFile::Save will strip
-      off everything past the last '.' in the filename, so we keep the .lnk
-      extension on to give it something harmless to strip off. XP doesn't do
-      that, so we must remove the .lnk extension ourself. }
-    if FolderShortcut and IsWindowsXP then
-      WideFilename := StringToOleStr(PathChangeExt(Filename, ''))
-    else
-      WideFilename := StringToOleStr(Filename);
-    if WideFilename = nil then
-      OutOfMemoryError;
-    OleResult := PF.Save(WideFilename, True);
-    if OleResult <> S_OK then
-      RaiseOleError('IPersistFile::Save', OleResult);
-
-    Result := GetResultingFilename(PF, Filename);
-  finally
-    if Assigned(WideFilename) then
-      SysFreeString(WideFilename);
-    if Assigned(PS) then
-      PS.Release;
-    if Assigned(PF) then
-      PF.Release;
-    SL.Release;
-  end;
-{$ELSE}
 var
   OleResult: HRESULT;
   Obj: IUnknown;
   SL: IShellLink;
-  PS: {$IFDEF IS_D14}PropSys.{$ENDIF}IPropertyStore;
+  PS: PropSys.IPropertyStore;
   PV: TPropVariant;
   PF: IPersistFile;
   WideAppUserModelID, WideFilename: WideString;
 begin
-  if FolderShortcut then begin
-    try
-      Obj := CreateComObject(CLSID_FolderShortcut);
-    except
-      { Folder shortcuts aren't supported prior to Windows 2000/Me. Fall back
-        to creating a normal shell link. }
-      Obj := nil;
-    end;
-  end;
-  if Obj = nil then begin
-    FolderShortcut := False;
-    Obj := CreateComObject(CLSID_ShellLink);
-  end;
+  Obj := CreateComObject(CLSID_ShellLink);
   SL := Obj as IShellLink;
   SL.SetPath(PChar(ShortcutTo));
   SL.SetArguments(PChar(Parameters));
-  if not FolderShortcut then
-    AssignWorkingDir(SL, WorkingDir);
+  AssignWorkingDir(SL, WorkingDir);
   if IconFilename <> '' then begin
     { Work around a 64-bit Windows bug. It replaces pf32 with %ProgramFiles%
       which is wrong. This causes an error when the user tries to change the
@@ -365,10 +158,8 @@ begin
   if HotKey <> 0 then
     SL.SetHotKey(HotKey);
 
-  { Note: Vista and newer support IPropertyStore but Vista errors if you try to
-    commit a PKEY_AppUserModel_ID, so avoid setting the property on Vista. }
-  if IsWindows7 and ((AppUserModelID <> '') or (AppUserModelToastActivatorCLSID <> nil) or ExcludeFromShowInNewInstall or PreventPinning) then begin
-    PS := Obj as {$IFDEF IS_D14}PropSys.{$ENDIF}IPropertyStore;
+  if (AppUserModelID <> '') or (AppUserModelToastActivatorCLSID <> nil) or ExcludeFromShowInNewInstall or PreventPinning then begin
+    PS := Obj as PropSys.IPropertyStore;
     { According to MSDN the PreventPinning property should be set before the ID property. In practice
       this doesn't seem to matter - at least not for shortcuts - but do it first anyway. }
     if PreventPinning then begin
@@ -413,49 +204,15 @@ begin
   end;
 
   PF := SL as IPersistFile;
-  { When creating a folder shortcut on 2000/Me, IPersistFile::Save will strip
-    off everything past the last '.' in the filename, so we keep the .lnk
-    extension on to give it something harmless to strip off. XP doesn't do
-    that, so we must remove the .lnk extension ourself. }
-  if FolderShortcut and IsWindowsXP then
-    WideFilename := PathChangeExt(Filename, '')
-  else
-    WideFilename := Filename;
+  WideFilename := Filename;
   OleResult := PF.Save(PWideChar(WideFilename), True);
   if OleResult <> S_OK then
     RaiseOleError('IPersistFile::Save', OleResult);
 
   Result := GetResultingFilename(PF, Filename);
-  { Delphi 3 automatically releases COM objects when they go out of scope }
-{$ENDIF}
 end;
 
 procedure RegisterTypeLibrary(const Filename: String);
-{$IFNDEF Delphi3OrHigher}
-var
-  WideFilename: PWideChar;
-  OleResult: HRESULT;
-  TypeLib: ITypeLib;
-begin
-  WideFilename := StringToOleStr(PathExpand(Filename));
-  if WideFilename = nil then
-    OutOfMemoryError;
-  try
-    OleResult := LoadTypeLib(WideFilename, TypeLib);
-    if OleResult <> S_OK then
-      RaiseOleError('LoadTypeLib', OleResult);
-    try
-      OleResult := RegisterTypeLib(TypeLib, WideFilename, nil);
-      if OleResult <> S_OK then
-        RaiseOleError('RegisterTypeLib', OleResult);
-    finally
-      TypeLib.Release;
-    end;
-  finally
-    SysFreeString(WideFilename);
-  end;
-end;
-{$ELSE}
 var
   WideFilename: WideString;
   OleResult: HRESULT;
@@ -469,53 +226,11 @@ begin
   if OleResult <> S_OK then
     RaiseOleError('RegisterTypeLib', OleResult);
 end;
-{$ENDIF}
 
 procedure UnregisterTypeLibrary(const Filename: String);
 type
   TUnRegTlbProc = function(const libID: TGUID; wVerMajor, wVerMinor: Word;
     lcid: TLCID; syskind: TSysKind): HResult; stdcall;
-{$IFNDEF Delphi3OrHigher}
-var
-  UnRegTlbProc: TUnRegTlbProc;
-  WideFilename: PWideChar;
-  OleResult: HRESULT;
-  TypeLib: ITypeLib;
-  LibAttr: PTLibAttr;
-begin
-  { Dynamically import UnRegisterTypeLib since older OLEAUT32.DLL versions
-    don't have this function }
-  @UnRegTlbProc := GetProcAddress(GetModuleHandle('OLEAUT32.DLL'),
-    'UnRegisterTypeLib');
-  if @UnRegTlbProc = nil then
-    Win32ErrorMsg('GetProcAddress');
-  WideFilename := StringToOleStr(PathExpand(Filename));
-  if WideFilename = nil then
-    OutOfMemoryError;
-  try
-    OleResult := LoadTypeLib(WideFilename, TypeLib);
-    if OleResult <> S_OK then
-      RaiseOleError('LoadTypeLib', OleResult);
-    try
-      OleResult := TypeLib.GetLibAttr(LibAttr);
-      if OleResult <> S_OK then
-        RaiseOleError('ITypeLib::GetLibAttr', OleResult);
-      try
-        with LibAttr^ do
-          OleResult := UnRegTlbProc(Guid, wMajorVerNum, wMinorVerNum, LCID, SysKind);
-        if OleResult <> S_OK then
-          RaiseOleError('UnRegisterTypeLib', OleResult);
-      finally
-        TypeLib.ReleaseTLibAttr(LibAttr);
-      end;
-    finally
-      TypeLib.Release;
-    end;
-  finally
-    SysFreeString(WideFilename);
-  end;
-end;
-{$ELSE}
 var
   UnRegTlbProc: TUnRegTlbProc;
   WideFilename: WideString;
@@ -545,7 +260,6 @@ begin
     TypeLib.ReleaseTLibAttr(LibAttr);
   end;
 end;
-{$ENDIF}
 
 const
   CLSID_StartMenuPin: TGUID = (
@@ -557,28 +271,11 @@ const
   IID_ShellItem: TGUID = (
     D1:$43826D1E; D2:$E718; D3:$42EE; D4:($BC,$55,$A1,$E2,$61,$C3,$7B,$FE));
 
-{$IFNDEF Delphi3OrHigher}
-type
-  IShellItem = class(IUnknown)
-    function BindToHandler(const pbc: IBindCtx; const bhid: TGUID;
-      const riid: TIID; var ppv): HResult; virtual; stdcall; abstract;
-    function GetParent(var ppsi: IShellItem): HResult; virtual; stdcall; abstract;
-    function GetDisplayName(sigdnName: DWORD; var ppszName: LPWSTR): HResult; virtual; stdcall; abstract;
-    function GetAttributes(sfgaoMask: DWORD; var psfgaoAttribs: DWORD): HResult; virtual; stdcall; abstract;
-    function Compare(const psi: IShellItem; hint: DWORD;
-      var piOrder: Integer): HResult; virtual; stdcall; abstract;
-  end;
-
-  IStartMenuPinnedList = class(IUnknown)
-    function RemoveFromList(const pitem: IShellItem): HRESULT; virtual; stdcall; abstract;
-  end;
-{$ELSE}
 type
   IStartMenuPinnedList = interface(IUnknown)
     ['{4CD19ADA-25A5-4A32-B3B7-347BEE5BE36B}']
     function RemoveFromList(const pitem: IShellItem): HRESULT; stdcall;
   end;
-{$ENDIF}
 
 var
   SHCreateItemFromParsingNameFunc: function(pszPath: LPCWSTR; const pbc: IBindCtx;
@@ -589,40 +286,17 @@ var
   was not pinned at all. http://msdn.microsoft.com/en-us/library/bb774817.aspx }
 function UnpinShellLink(const Filename: String): Boolean;
 var
-{$IFNDEF Delphi3OrHigher}
-  WideFileName: PWideChar;
-{$ELSE}
   WideFileName: WideString;
-{$ENDIF}
   ShellItem: IShellItem;
   StartMenuPinnedList: IStartMenuPinnedList;
 begin
-{$IFNDEF Delphi3OrHigher}
-  ShellItem := nil;
-  StartMenuPinnedList := nil;
-  WideFilename := StringToOleStr(PathExpand(Filename));
-  if WideFilename = nil then
-    OutOfMemoryError;
-  try
-{$ELSE}
   WideFilename := PathExpand(Filename);
-{$ENDIF}
-  if IsWindowsVista and //only attempt on Windows Vista and newer just to be sure
-     Assigned(SHCreateItemFromParsingNameFunc) and
+  if Assigned(SHCreateItemFromParsingNameFunc) and
      SUCCEEDED(SHCreateItemFromParsingNameFunc(PWideChar(WideFilename), nil, IID_ShellItem, ShellItem)) and
      SUCCEEDED(CoCreateInstance(CLSID_StartMenuPin, nil, CLSCTX_INPROC_SERVER, IID_StartMenuPinnedList, StartMenuPinnedList)) then
     Result := StartMenuPinnedList.RemoveFromList(ShellItem) = S_OK
   else
     Result := True;
-{$IFNDEF Delphi3OrHigher}
-  finally
-    SysFreeString(WideFilename);
-    if StartMenuPinnedList <> nil then
-      StartMenuPinnedList.Release;
-    if ShellItem <> nil then
-      ShellItem.Release;
-  end;
-{$ENDIF}
 end;
 
 procedure InitOle;

Projects/InstFunc.pas

@@ -2,7 +2,7 @@ unit InstFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -72,19 +72,13 @@ function GetFileDateTime(const DisableFsRedir: Boolean; const Filename: String;
   var DateTime: TFileTime): Boolean;
 function GetMD5OfFile(const DisableFsRedir: Boolean; const Filename: String): TMD5Digest;
 function GetMD5OfAnsiString(const S: AnsiString): TMD5Digest;
-{$IFDEF UNICODE}
 function GetMD5OfUnicodeString(const S: UnicodeString): TMD5Digest;
-{$ENDIF}
 function GetSHA1OfFile(const DisableFsRedir: Boolean; const Filename: String): TSHA1Digest;
 function GetSHA1OfAnsiString(const S: AnsiString): TSHA1Digest;
-{$IFDEF UNICODE}
 function GetSHA1OfUnicodeString(const S: UnicodeString): TSHA1Digest;
-{$ENDIF}
 function GetSHA256OfFile(const DisableFsRedir: Boolean; const Filename: String): String;
 function GetSHA256OfAnsiString(const S: AnsiString): String;
-{$IFDEF UNICODE}
 function GetSHA256OfUnicodeString(const S: UnicodeString): String;
-{$ENDIF}
 function GetRegRootKeyName(const RootKey: HKEY): String;
 function GetSpaceOnDisk(const DisableFsRedir: Boolean; const DriveRoot: String;
   var FreeBytes, TotalBytes: Integer64): Boolean;
@@ -122,7 +116,8 @@ function ForceDirectories(const DisableFsRedir: Boolean; Dir: String): Boolean;
 implementation
 
 uses
-  Messages, ShellApi, PathFunc, Msgs, MsgIDs, FileClass, RedirFunc, SetupTypes, Hash, Classes;
+  Messages, ShellApi, PathFunc, Msgs, MsgIDs, FileClass, RedirFunc, SetupTypes,
+  Hash, Classes, RegStr;
 
 procedure InternalError(const Id: String);
 begin
@@ -347,8 +342,7 @@ begin
 end;
 
 function ReplaceSystemDirWithSysNative(Path: String; const IsWin64: Boolean): String;
-{ If the user is running 64-bit Windows Vista or newer and Path
-  begins with 'x:\windows\system32\' it replaces it with
+{ If Path begins with 'x:\windows\system32\' it replaces it with
   'x:\windows\sysnative\' and if Path equals 'x:\windows\system32'
   it replaces it with 'x:\windows\sysnative'. Otherwise, Path is
   returned unchanged. }
@@ -384,93 +378,23 @@ end;
 procedure RestartReplace(const DisableFsRedir: Boolean; TempFile, DestFile: String);
 { Renames TempFile to DestFile the next time Windows is started. If DestFile
   already existed, it will be overwritten. If DestFile is '' then TempFile
-  will be deleted, however this is only supported by 95/98 and NT, not
-  Windows 3.1x. }
-var
-  WinDir, WinInitFile, TempWinInitFile: String;
-  OldF: TTextFileReader;
-  NewF: TTextFileWriter;
-  L, L2: String;
-  RenameSectionFound, WriteLastLine: Boolean;
+  will be deleted.. }
 begin
   TempFile := PathExpand(TempFile);
   if DestFile <> '' then
     DestFile := PathExpand(DestFile);
 
-  if not UsingWinNT then begin
-    { Because WININIT.INI allows multiple entries with the same name,
-      it must manually parse the file instead of using
-      WritePrivateProfileString }
-    WinDir := GetWinDir;
-    WinInitFile := AddBackslash(WinDir) + 'WININIT.INI';
-    TempWinInitFile := GenerateUniqueName(False, WinDir, '.tmp');
-    try
-      OldF := nil;
-      NewF := nil;
-      try
-        { Flush Windows' cache for the file first }
-        WritePrivateProfileString(nil, nil, nil, PChar(WinInitFile));
-        OldF := TTextFileReader.Create(WinInitFile, fdOpenAlways, faRead,
-          fsRead);
-        NewF := TTextFileWriter.Create(TempWinInitFile, fdCreateAlways,
-          faWrite, fsNone);
-        RenameSectionFound := False;
-        WriteLastLine := False;
-        while not OldF.Eof do begin
-          L := OldF.ReadLine;
-          WriteLastLine := True;
-          L2 := Trim(L);
-          if (L2 <> '') and (L2[1] = '[') then begin
-            if CompareText(L2, '[rename]') = 0 then
-              RenameSectionFound := True
-            else
-            if RenameSectionFound then
-              Break;
-          end;
-          NewF.WriteLine(L);
-          WriteLastLine := False;
-        end;
-        if not RenameSectionFound then
-          NewF.WriteLine('[rename]');
-        if DestFile <> '' then
-          L2 := GetShortName(DestFile)
-        else
-          L2 := 'NUL';
-        NewF.WriteLine(L2 + '=' + GetShortName(TempFile));
-        if WriteLastLine then
-          NewF.WriteLine(L);
-        while not OldF.Eof do begin
-          L := OldF.ReadLine;
-          NewF.WriteLine(L);
-        end;
-      finally
-        NewF.Free;
-        OldF.Free;
-      end;
-      { Strip any read-only attribute }
-      SetFileAttributes(PChar(WinInitFile), FILE_ATTRIBUTE_ARCHIVE);
-      if not DeleteFile(WinInitFile) then
-        Win32ErrorMsg('DeleteFile');
-      if not MoveFile(PChar(TempWinInitFile), PChar(WinInitFile)) then
-        Win32ErrorMsg('MoveFile');
-    except
-      DeleteFile(TempWinInitFile);
-      raise;
-    end;
-  end
-  else begin
-    if not DisableFsRedir then begin
-      { Work around WOW64 bug present in the IA64 and x64 editions of Windows
-        XP (3790) and Server 2003 prior to SP1 RC2: MoveFileEx writes filenames
-        to the registry verbatim without mapping system32->syswow64. }
-      TempFile := ReplaceSystemDirWithSysWow64(TempFile);
-      if DestFile <> '' then
-        DestFile := ReplaceSystemDirWithSysWow64(DestFile);
-    end;
-    if not MoveFileExRedir(DisableFsRedir, TempFile, DestFile,
-       MOVEFILE_DELAY_UNTIL_REBOOT or MOVEFILE_REPLACE_EXISTING) then
-      Win32ErrorMsg('MoveFileEx');
+  if not DisableFsRedir then begin
+    { Work around WOW64 bug present in the IA64 and x64 editions of Windows
+      XP (3790) and Server 2003 prior to SP1 RC2: MoveFileEx writes filenames
+      to the registry verbatim without mapping system32->syswow64. }
+    TempFile := ReplaceSystemDirWithSysWow64(TempFile);
+    if DestFile <> '' then
+      DestFile := ReplaceSystemDirWithSysWow64(DestFile);
   end;
+  if not MoveFileExRedir(DisableFsRedir, TempFile, DestFile,
+     MOVEFILE_DELAY_UNTIL_REBOOT or MOVEFILE_REPLACE_EXISTING) then
+    Win32ErrorMsg('MoveFileEx');
 end;
 
 function DelTree(const DisableFsRedir: Boolean; const Path: String;
@@ -593,7 +517,7 @@ end;
 procedure IncrementSharedCount(const RegView: TRegView; const Filename: String;
   const AlreadyExisted: Boolean);
 const
-  SharedDLLsKey = NEWREGSTR_PATH_SETUP + '\SharedDLLs';  {don't localize}
+  SharedDLLsKey = REGSTR_PATH_SETUP + '\SharedDLLs';  {don't localize}
 var
   ErrorCode: Longint;
   K: HKEY;
@@ -656,7 +580,7 @@ function DecrementSharedCount(const RegView: TRegView;
 { Attempts to decrement the shared file reference count of Filename. Returns
   True if the count reached zero (meaning it's OK to delete the file). }
 const
-  SharedDLLsKey = NEWREGSTR_PATH_SETUP + '\SharedDLLs';  {don't localize}
+  SharedDLLsKey = REGSTR_PATH_SETUP + '\SharedDLLs';  {don't localize}
 var
   ErrorCode: Longint;
   K: HKEY;
@@ -815,24 +739,20 @@ begin
   Result := MD5Buf(Pointer(S)^, Length(S)*SizeOf(S[1]));
 end;
 
-{$IFDEF UNICODE}
 function GetMD5OfUnicodeString(const S: UnicodeString): TMD5Digest;
 begin
   Result := MD5Buf(Pointer(S)^, Length(S)*SizeOf(S[1]));
 end;
-{$ENDIF}
 
 function GetSHA1OfAnsiString(const S: AnsiString): TSHA1Digest;
 begin
   Result := SHA1Buf(Pointer(S)^, Length(S)*SizeOf(S[1]));
 end;
 
-{$IFDEF UNICODE}
 function GetSHA1OfUnicodeString(const S: UnicodeString): TSHA1Digest;
 begin
   Result := SHA1Buf(Pointer(S)^, Length(S)*SizeOf(S[1]));
 end;
-{$ENDIF}
 
 function GetSHA256OfAnsiString(const S: AnsiString): String;
 var
@@ -848,7 +768,6 @@ begin
   end;
 end;
 
-{$IFDEF UNICODE}
 function GetSHA256OfUnicodeString(const S: UnicodeString): String;
 var
   M: TMemoryStream;
@@ -862,7 +781,6 @@ begin
     M.Free;
   end;
 end;
-{$ENDIF}
 
 var
   SFCInitialized: Boolean;
@@ -875,9 +793,6 @@ function IsProtectedSystemFile(const DisableFsRedir: Boolean;
 var
   M: HMODULE;
   FN: String;
-{$IFNDEF UNICODE}
-  Buf: array[0..4095] of WideChar;
-{$ENDIF}
 begin
   if not SFCInitialized then begin
     M := SafeLoadLibrary(PChar(AddBackslash(GetSystemDir) + 'sfc.dll'),
@@ -893,18 +808,10 @@ begin
     FN := PathExpand(Filename);
     if not DisableFsRedir then
       FN := ReplaceSystemDirWithSysWow64(FN);
-{$IFDEF UNICODE}
     Result := SfcIsFileProtectedFunc(0, PChar(FN));
-{$ELSE}
-    Buf[MultiByteToWideChar(CP_ACP, 0, PChar(FN), Length(FN), Buf,
-      (SizeOf(Buf) div SizeOf(Buf[0])) - 1)] := #0;
-    Result := (Buf[0] <> #0) and SfcIsFileProtectedFunc(0, Buf);
-{$ENDIF}
   end
-  else begin
-    { Windows File Protection doesn't exist on Windows 95/98/NT4 }
-    Result := False;
-  end;
+  else
+    Result := False; { Should never happen }
 end;
 
 procedure HandleProcessWait(ProcessHandle: THandle; const Wait: TExecWait;
@@ -960,16 +867,13 @@ begin
           Filename: "c:\batch.bat"; Parameters: """abc"""
         And other Windows versions might have unknown quirks too, since
         CreateProcess isn't documented to accept .bat files in the first place. }
-      if UsingWinNT then
-        { With cmd.exe, the whole command line must be quoted for quoted
-          parameters to work. For example, this fails:
-            cmd.exe /c "z:\blah.bat" "test"
-          But this works:
-            cmd.exe /c ""z:\blah.bat" "test""
-        }
-        CmdLine := '"' + AddBackslash(GetSystemDir) + 'cmd.exe" /C "' + CmdLine + '"'
-      else
-        CmdLine := '"' + AddBackslash(GetWinDir) + 'COMMAND.COM" /C ' + CmdLine;
+      { With cmd.exe, the whole command line must be quoted for quoted
+        parameters to work. For example, this fails:
+          cmd.exe /c "z:\blah.bat" "test"
+        But this works:
+          cmd.exe /c ""z:\blah.bat" "test""
+      }
+      CmdLine := '"' + AddBackslash(GetSystemDir) + 'cmd.exe" /C "' + CmdLine + '"'
     end;
     if WorkingDir = '' then
       WorkingDir := PathExtractDir(Filename);
@@ -1141,44 +1045,35 @@ function NewAdjustTokenPrivileges(TokenHandle: THandle; DisableAllPrivileges: BO
   external advapi32 name 'AdjustTokenPrivileges';
 
 function RestartComputer: Boolean;
-{ Restarts the computer. On Windows 9x/Me, the function will NOT return if it
-  is successful. }
+{ Restarts the computer. }
 var
   Token: THandle;
   TokenPriv: TTokenPrivileges;
 const
   SE_SHUTDOWN_NAME = 'SeShutdownPrivilege';  { don't localize }
 begin
-  if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-    if not OpenProcessToken(GetCurrentProcess, TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY,
-       {$IFNDEF Delphi3orHigher} @Token {$ELSE} Token {$ENDIF}) then begin
-      Result := False;
-      Exit;
-    end;
+  if not OpenProcessToken(GetCurrentProcess, TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY,
+     Token) then begin
+    Result := False;
+    Exit;
+  end;
 
-    LookupPrivilegeValue(nil, SE_SHUTDOWN_NAME, TokenPriv.Privileges[0].Luid);
+  LookupPrivilegeValue(nil, SE_SHUTDOWN_NAME, TokenPriv.Privileges[0].Luid);
 
-    TokenPriv.PrivilegeCount := 1;
-    TokenPriv.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;
+  TokenPriv.PrivilegeCount := 1;
+  TokenPriv.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;
 
-    NewAdjustTokenPrivileges(Token, False, TokenPriv, 0, nil, nil);
+  NewAdjustTokenPrivileges(Token, False, TokenPriv, 0, nil, nil);
 
-    { Cannot test the return value of AdjustTokenPrivileges. }
-    if GetLastError <> ERROR_SUCCESS then begin
-      Result := False;
-      Exit;
-    end;
+  { Cannot test the return value of AdjustTokenPrivileges. }
+  if GetLastError <> ERROR_SUCCESS then begin
+    Result := False;
+    Exit;
   end;
 
   Result := ExitWindowsEx(EWX_REBOOT, 0);
 
-  { On Windows 9x/Me:
-    ExitWindowsEx synchronously sends WM_QUERYENDSESSION messages to all
-    processes except the current process. If any WM_QUERYENDSESSION handler
-    blocks the shutdown, it returns False. Otherwise, it kills the current
-    process and does not return.
-    On NT platforms:
-    ExitWindowsEx returns True immediately. The system then asynchronously
+  { ExitWindowsEx returns True immediately. The system then asynchronously
     sends WM_QUERYENDSESSION messages to all processes, including the current
     process. The current process is not killed until it has received
     WM_QUERYENDSESSION and WM_ENDSESSION messages. }
@@ -1206,48 +1101,24 @@ end;
 
 function MakePendingFileRenameOperationsChecksum: TMD5Digest;
 { Calculates a checksum of the current PendingFileRenameOperations registry
-  value (on NT 4+ platforms) or of the current WININIT.INI file (on non-NT
-  platforms). The caller can use this checksum to determine if
-  PendingFileRenameOperations or WININIT.INI was changed (perhaps by another
-  program). }
+  value The caller can use this checksum to determine if
+  PendingFileRenameOperations was changed (perhaps by another program). }
 var
   Context: TMD5Context;
   K: HKEY;
   S: String;
-  WinInitFile: String;
-  F: TFile;
-  Buf: array[0..4095] of Byte;
-  BytesRead: Cardinal;
 begin
   MD5Init(Context);
   try
-    if UsingWinNT then begin
-      if RegOpenKeyExView(rvDefault, HKEY_LOCAL_MACHINE, 'SYSTEM\CurrentControlSet\Control\Session Manager',
-         0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
-        if RegQueryMultiStringValue(K, 'PendingFileRenameOperations', S) then
-          MD5Update(Context, S[1], Length(S)*SizeOf(S[1]));
-        { When "PendingFileRenameOperations" is full, it spills over into
-          "PendingFileRenameOperations2" }
-        if RegQueryMultiStringValue(K, 'PendingFileRenameOperations2', S) then
-          MD5Update(Context, S[1], Length(S)*SizeOf(S[1]));
-        RegCloseKey(K);
-      end;
-    end
-    else begin
-      WinInitFile := AddBackslash(GetWinDir) + 'WININIT.INI';
-      if NewFileExists(WinInitFile) then begin
-        F := TFile.Create(WinInitFile, fdOpenExisting, faRead, fsRead);
-        try
-          while True do begin
-            BytesRead := F.Read(Buf, SizeOf(Buf));
-            if BytesRead = 0 then
-              Break;
-            MD5Update(Context, Buf, BytesRead);
-          end;
-        finally
-          F.Free;
-        end;
-      end;
+    if RegOpenKeyExView(rvDefault, HKEY_LOCAL_MACHINE, 'SYSTEM\CurrentControlSet\Control\Session Manager',
+       0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
+      if RegQueryMultiStringValue(K, 'PendingFileRenameOperations', S) then
+        MD5Update(Context, S[1], Length(S)*SizeOf(S[1]));
+      { When "PendingFileRenameOperations" is full, it spills over into
+        "PendingFileRenameOperations2" }
+      if RegQueryMultiStringValue(K, 'PendingFileRenameOperations2', S) then
+        MD5Update(Context, S[1], Length(S)*SizeOf(S[1]));
+      RegCloseKey(K);
     end;
   except
     { don't propagate exceptions }
@@ -1261,101 +1132,46 @@ procedure EnumFileReplaceOperationsFilenames(const EnumFunc: TEnumFROFilenamesPr
   registry value or WININIT.INI file. The function does not distinguish between
   source and destination filenames; it enumerates both. }
 
-  procedure DoNT;
-
-    procedure DoValue(const K: HKEY; const ValueName: PChar);
-    var
-      S: String;
-      P, PEnd: PChar;
-    begin
-      if not RegQueryMultiStringValue(K, ValueName, S) then
-        Exit;
-      P := PChar(S);
-      PEnd := P + Length(S);
-      while P < PEnd do begin
-        if P[0] = '!' then
-          { Note: '!' means that MoveFileEx was called with the
-            MOVEFILE_REPLACE_EXISTING flag }
-          Inc(P);
-        if StrLComp(P, '\??\', 4) = 0 then begin
-          Inc(P, 4);
-          if P[0] <> #0 then
-            EnumFunc(P, Param);
-        end;
-        Inc(P, StrLen(P) + 1);
-      end;
-    end;
-
+  procedure DoValue(const K: HKEY; const ValueName: PChar);
   var
-    K: HKEY;
+    S: String;
+    P, PEnd: PChar;
   begin
-    if RegOpenKeyExView(rvDefault, HKEY_LOCAL_MACHINE, 'SYSTEM\CurrentControlSet\Control\Session Manager',
-       0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
-      try
-        DoValue(K, 'PendingFileRenameOperations');
-        { When "PendingFileRenameOperations" is full, it spills over into
-          "PendingFileRenameOperations2" }
-        DoValue(K, 'PendingFileRenameOperations2');
-      finally
-        RegCloseKey(K);
+    if not RegQueryMultiStringValue(K, ValueName, S) then
+      Exit;
+    P := PChar(S);
+    PEnd := P + Length(S);
+    while P < PEnd do begin
+      if P[0] = '!' then
+        { Note: '!' means that MoveFileEx was called with the
+          MOVEFILE_REPLACE_EXISTING flag }
+        Inc(P);
+      if StrLComp(P, '\??\', 4) = 0 then begin
+        Inc(P, 4);
+        if P[0] <> #0 then
+          EnumFunc(P, Param);
       end;
+      Inc(P, StrLen(P) + 1);
     end;
   end;
 
-  procedure DoNonNT;
-  var
-    WinInitFile: String;
-    F: TTextFileReader;
-    Line, Filename: String;
-    InRenameSection: Boolean;
-    P: Integer;
-  begin
-    WinInitFile := AddBackslash(GetWinDir) + 'WININIT.INI';
-    if not NewFileExists(WinInitFile) then
-      Exit;
+var
+  K: HKEY;
+begin
+  if RegOpenKeyExView(rvDefault, HKEY_LOCAL_MACHINE, 'SYSTEM\CurrentControlSet\Control\Session Manager',
+     0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
     try
-      F := TTextFileReader.Create(WinInitFile, fdOpenExisting, faRead, fsRead);
-      try
-        InRenameSection := False;
-        while not F.Eof do begin
-          Line := Trim(F.ReadLine);
-          if (Line = '') or (Line[1] = ';') then
-            Continue;
-          if Line[1] = '[' then begin
-            InRenameSection := (CompareText(Line, '[rename]') = 0);
-          end
-          else if InRenameSection then begin
-            P := Pos('=', Line);
-            if P > 0 then begin
-              Filename := Copy(Line, 1, P-1);
-              if (Filename <> '') and (CompareText(Filename, 'NUL') <> 0) then
-                EnumFunc(Filename, Param);
-              Filename := Copy(Line, P+1, Maxint);
-              if (Filename <> '') and (CompareText(Filename, 'NUL') <> 0) then
-                EnumFunc(Filename, Param);
-            end;
-          end;
-        end;
-      finally
-        F.Free;
-      end;
-    except
-      { ignore exceptions }
+      DoValue(K, 'PendingFileRenameOperations');
+      { When "PendingFileRenameOperations" is full, it spills over into
+        "PendingFileRenameOperations2" }
+      DoValue(K, 'PendingFileRenameOperations2');
+    finally
+      RegCloseKey(K);
     end;
   end;
-
-begin
-  if UsingWinNT then
-    DoNT
-  else
-    DoNonNT;
 end;
 
 procedure UnregisterFont(const FontName, FontFilename: String; const PerUserFont: Boolean);
-const
-  FontsKeys: array[Boolean] of PChar =
-    (NEWREGSTR_PATH_SETUP + '\Fonts',
-     'Software\Microsoft\Windows NT\CurrentVersion\Fonts');
 var
   RootKey, K: HKEY;
 begin
@@ -1364,7 +1180,7 @@ begin
   else
     RootKey := HKEY_LOCAL_MACHINE;
 
-  if RegOpenKeyExView(rvDefault, RootKey, FontsKeys[UsingWinNT],
+  if RegOpenKeyExView(rvDefault, RootKey, 'Software\Microsoft\Windows NT\CurrentVersion\Fonts',
      0, KEY_SET_VALUE, K) = ERROR_SUCCESS then begin
     RegDeleteValue(K, PChar(FontName));
     RegCloseKey(K);
@@ -1388,7 +1204,7 @@ begin
     GetDiskFreeSpaceEx, however, *does* succeed with UNC paths, so use it
     if available. }
   GetDiskFreeSpaceExFunc := GetProcAddress(GetModuleHandle(kernel32),
-    {$IFDEF UNICODE}'GetDiskFreeSpaceExW'{$ELSE}'GetDiskFreeSpaceExA'{$ENDIF});
+    'GetDiskFreeSpaceExW');
   if not DisableFsRedirectionIf(DisableFsRedir, PrevState) then begin
     Result := False;
     Exit;
@@ -1403,9 +1219,8 @@ begin
         DWORD(SectorsPerCluster), DWORD(BytesPerSector), DWORD(FreeClusters),
         DWORD(TotalClusters));
       if Result then begin
-        { Windows 95/98 cap the result of GetDiskFreeSpace at 2GB, but NT 4.0
-          does not, so we must use a 64-bit multiply operation to avoid an
-          overflow. }
+        { The result of GetDiskFreeSpace does not cap at 2GB, so we must use a
+          64-bit multiply operation to avoid an overflow. }
         Multiply32x32to64(BytesPerSector * SectorsPerCluster, FreeClusters,
           FreeBytes);
         Multiply32x32to64(BytesPerSector * SectorsPerCluster, TotalClusters,
@@ -1442,8 +1257,7 @@ end;
 
 procedure RefreshEnvironment;
 { Notifies other applications (Explorer) that environment variables have
-  changed. Based on code from KB article 104011.
-  Note: Win9x's Explorer ignores this message. }
+  changed. Based on code from KB article 104011. }
 var
   MsgResult: DWORD_PTR;
 begin
@@ -1484,7 +1298,6 @@ function DetermineDefaultLanguage(const GetLanguageEntryProc: TGetLanguageEntryP
 { Finds the index of the language entry that most closely matches the user's
   UI language / locale. If no match is found, ResultIndex is set to 0. }
 
-{$IFDEF UNICODE}
   function GetCodePageFromLangID(const ALangID: LANGID): Integer;
   const
     LOCALE_RETURN_NUMBER = $20000000;
@@ -1497,7 +1310,6 @@ function DetermineDefaultLanguage(const GetLanguageEntryProc: TGetLanguageEntryP
     else
       Result := -1;
   end;
-{$ENDIF}
 
 var
   I: Integer;
@@ -1532,14 +1344,9 @@ begin
     I := 0;
     while GetLanguageEntryProc(I, LangEntry) do begin
       if LangEntry.LanguageID = UILang then begin
-{$IFNDEF UNICODE}
-        if (LangEntry.LanguageCodePage = 0) or (LangEntry.LanguageCodePage = GetACP) then
-{$ENDIF}
-        begin
-          ResultIndex := I;
-          Result := ddMatch;
-          Exit;
-        end;
+        ResultIndex := I;
+        Result := ddMatch;
+        Exit;
       end;
       Inc(I);
     end;
@@ -1547,9 +1354,6 @@ begin
     I := 0;
     while GetLanguageEntryProc(I, LangEntry) do begin
       if (LangEntry.LanguageID and $3FF) = (UILang and $3FF) then begin
-{$IFNDEF UNICODE}
-        if (LangEntry.LanguageCodePage = 0) or (LangEntry.LanguageCodePage = GetACP) then
-{$ELSE}
         { On Unicode, there is no LanguageCodePage filter, so we have to check
           the language IDs to ensure we don't return Simplified Chinese on a
           Traditional Chinese system, or vice versa.
@@ -1559,7 +1363,6 @@ begin
           Traditional Chinese LANGIDs ($0404, $0C04, $1404) use CP 950 }
         if ((UILang and $3FF) <> LANG_CHINESE) or
            (GetCodePageFromLangID(LangEntry.LanguageID) = GetCodePageFromLangID(UILang)) then
-{$ENDIF}
         begin
           ResultIndex := I;
           Result := ddMatch;

Projects/Install.pas

@@ -2,7 +2,7 @@ unit Install;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -35,7 +35,7 @@ uses
   Compress, SHA1, PathFunc, CmnFunc, CmnFunc2, RedirFunc, Int64Em, MsgIDs,
   Wizard, DebugStruct, DebugClient, VerInfo, ScriptRunner, RegDLL, Helper,
   ResUpdate, DotNet, TaskbarProgressFunc, NewProgressBar, RestartManager,
-  Net.HTTPClient, Net.URLClient, NetEncoding;
+  Net.HTTPClient, Net.URLClient, NetEncoding, RegStr;
 
 type
   TSetupUninstallLog = class(TUninstallLog)
@@ -395,7 +395,6 @@ var
   end;
 
   function PackCompiledCodeTextIntoString(const CompiledCodeText: AnsiString): String;
-{$IFDEF UNICODE}
   var
     N: Integer;
   begin
@@ -404,21 +403,12 @@ var
       Inc(N); { This will lead to 1 extra byte being moved but that's ok since it is the #0 }
     N := N div 2;
     SetString(Result, PChar(Pointer(CompiledCodeText)), N);
-{$ELSE}
-  begin
-    Result := CompiledCodeText;
-{$ENDIF}
   end;
 
   procedure RecordCompiledCode;
   var
     LeadBytesStr, ExpandedApp, ExpandedGroup, CustomMessagesStr: String;
   begin
-{$IFNDEF UNICODE}
-    SetString(LeadBytesStr, PChar(@SetupHeader.LeadBytes),
-      SizeOf(SetupHeader.LeadBytes));
-{$ENDIF}
-
     { Only use app if Setup creates one }
     if shCreateAppDir in SetupHeader.Options then
       ExpandedApp := ExpandConst('{app}')
@@ -438,7 +428,7 @@ var
     { Record [Code] even if empty to 'overwrite' old versions }
     UninstLog.Add(utCompiledCode, [PackCompiledCodeTextIntoString(SetupHeader.CompiledCodeText),
       LeadBytesStr, ExpandedApp, ExpandedGroup, WizardGroupValue,
-      ExpandConst('{language}'), CustomMessagesStr], SetupBinVersion {$IFDEF UNICODE} or Longint($80000000) {$ENDIF});
+      ExpandConst('{language}'), CustomMessagesStr], SetupBinVersion or Longint($80000000));
   end;
 
   type
@@ -683,13 +673,9 @@ var
       else
         Z := ExpandedAppVerName;
       HandleDuplicateDisplayNames(Z);
-      { For the entry to appear in ARP, DisplayName cannot exceed 63 characters
-        on Windows 9x/NT 4.0, or 259 characters on Windows 2000 and later. }
-      if WindowsVersionAtLeast(5, 0) then
-        I := 259
-      else
-        I := 63;
-      SetStringValue(H2, 'DisplayName', Copy(Z, 1, I));
+      { For the entry to appear in ARP, DisplayName cannot exceed 259 characters
+        on Windows 2000 and later. }
+      SetStringValue(H2, 'DisplayName', Copy(Z, 1, 259));
       SetStringValueUnlessEmpty(H2, 'DisplayIcon', ExpandConst(SetupHeader.UninstallDisplayIcon));
       var ExtraUninstallString: String;
       if shUninstallLogging in SetupHeader.Options then
@@ -721,29 +707,25 @@ var
         SetDWordValue(H2, 'VersionMajor', MajorVersion);
         SetDWordValue(H2, 'VersionMinor', MinorVersion);
       end;
-      { Note: Windows 7 doesn't automatically calculate sizes so set EstimatedSize ourselves. Do not set it
-        on earlier Windows versions since calculated sizes are cached and clearing the cache would require
-        updating an undocumented key at HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Management\ARPCache\<id>. }
-      if WindowsVersion shr 16 >= $0601 then begin
-        if (SetupHeader.UninstallDisplaySize.Hi = 0) and (SetupHeader.UninstallDisplaySize.Lo = 0) then begin
-          { Estimate the size by taking the size of all files and adding any ExtraDiskSpaceRequired. }
-          EstimatedSize := AfterInstallFilesSize;
-          Inc6464(EstimatedSize, SetupHeader.ExtraDiskSpaceRequired);
-          for I := 0 to Entries[seComponent].Count-1 do begin
-            with PSetupComponentEntry(Entries[seComponent][I])^ do begin
-              if ShouldProcessEntry(WizardComponents, nil, Name, '', Languages, '') then
-                Inc6464(EstimatedSize, ExtraDiskSpaceRequired);
-            end;
+      { Note: Windows 7 (and later?) doesn't automatically calculate sizes so set EstimatedSize ourselves. }
+      if (SetupHeader.UninstallDisplaySize.Hi = 0) and (SetupHeader.UninstallDisplaySize.Lo = 0) then begin
+        { Estimate the size by taking the size of all files and adding any ExtraDiskSpaceRequired. }
+        EstimatedSize := AfterInstallFilesSize;
+        Inc6464(EstimatedSize, SetupHeader.ExtraDiskSpaceRequired);
+        for I := 0 to Entries[seComponent].Count-1 do begin
+          with PSetupComponentEntry(Entries[seComponent][I])^ do begin
+            if ShouldProcessEntry(WizardComponents, nil, Name, '', Languages, '') then
+              Inc6464(EstimatedSize, ExtraDiskSpaceRequired);
           end;
-        end else
-          EstimatedSize := SetupHeader.UninstallDisplaySize;
-        { ARP on Windows 7 without SP1 only pays attention to the lower 6 bytes of EstimatedSize and
-          throws away the rest. For example putting in $4000001 (=4GB + 1KB) displays as 1 KB.
-          So we need to check for this. Already checked this is Windows 7 or newer above. }
-        if (Hi(NTServicePackLevel) > 0) or (WindowsVersion shr 16 > $0601) or (EstimatedSize.Hi = 0) then begin
-          Div64(EstimatedSize, 1024);
-          SetDWordValue(H2, 'EstimatedSize', EstimatedSize.Lo)
         end;
+      end else
+        EstimatedSize := SetupHeader.UninstallDisplaySize;
+      { ARP on Windows 7 without SP1 only pays attention to the lower 6 bytes of EstimatedSize and
+        throws away the rest. For example putting in $4000001 (=4GB + 1KB) displays as 1 KB.
+        So we need to check for this. }
+      if (Hi(NTServicePackLevel) > 0) or (WindowsVersion shr 16 > $0601) or (EstimatedSize.Hi = 0) then begin
+        Div64(EstimatedSize, 1024);
+        SetDWordValue(H2, 'EstimatedSize', EstimatedSize.Lo)
       end;
 
       { Also see SetPreviousData in ScriptFunc.pas }
@@ -906,11 +888,7 @@ var
       anti-spyware programs that catch all unins*.exe files with certain MD5
       sums just because some piece of spyware was deployed with Inno Setup and
       had the unins*.exe file in its directory. }
-{$IFDEF UNICODE}
     UniqueValue := GetSHA1OfUnicodeString(ExpandedAppId);
-{$ELSE}
-    UniqueValue := GetSHA1OfAnsiString(ExpandedAppId);
-{$ENDIF}
     F.WriteBuffer(UniqueValue, SizeOf(UniqueValue));
 
     UninstallerMsgTail.ID := UninstallerMsgTailID;
@@ -930,10 +908,6 @@ var
 
     procedure InstallFont(const Filename, FontName: String;
       const PerUserFont, AddToFontTableNow: Boolean; var WarnedPerUserFonts: Boolean);
-    const
-      FontsKeys: array[Boolean] of PChar =
-        (NEWREGSTR_PATH_SETUP + '\Fonts',
-         'Software\Microsoft\Windows NT\CurrentVersion\Fonts');
     var
       RootKey, K: HKEY;
     begin
@@ -956,7 +930,7 @@ var
           RootKey := HKEY_CURRENT_USER
         else
           RootKey := HKEY_LOCAL_MACHINE;
-        if RegOpenKeyExView(rvDefault, RootKey, FontsKeys[IsNT], 0,
+        if RegOpenKeyExView(rvDefault, RootKey, 'Software\Microsoft\Windows NT\CurrentVersion\Fonts', 0,
            KEY_SET_VALUE, K) = ERROR_SUCCESS then begin
           if RegSetValueEx(K, PChar(FontName), 0, REG_SZ, PChar(Filename),
              (Length(Filename)+1)*SizeOf(Filename[1])) <> ERROR_SUCCESS then
@@ -1183,19 +1157,12 @@ var
             Log('Non-default bitness: 32-bit');
         end;
 
-        { See if it's a protected system file.
-          Note: We don't call IsProtectedSystemFile anymore on Windows Me
-          even though it supports WFP. Two users reported that installs ran
-          very slowly on 4.2.1, and with the help of one of the users, the
-          cause was narrowed down to this call. For him, it was taking 6
-          seconds per call. I have no idea what would cause it to be so
-          slow; it only took a few milliseconds in my tests on Windows Me. }
-        IsProtectedFile := False;
-        if IsNT and (WindowsVersion >= Cardinal($05000000)) then
-          if IsProtectedSystemFile(DisableFsRedir, DestFile) then begin
-            Log('Dest file is protected by Windows File Protection.');
-            IsProtectedFile := (CurFile^.FileType = ftUserFile);
-          end;
+        { See if it's a protected system file.  }
+        if IsProtectedSystemFile(DisableFsRedir, DestFile) then begin
+          Log('Dest file is protected by Windows File Protection.');
+          IsProtectedFile := (CurFile^.FileType = ftUserFile);
+        end else
+          IsProtectedFile := False;
 
         DestFileExists := NewFileExistsRedir(DisableFsRedir, DestFile);
         if not CheckedDestFileExistedBefore then begin
@@ -1972,14 +1939,10 @@ var
           'IconIndex=' + IntToStr(IconIndex) + SNewLine;
       F := TTextFileWriter.Create(Filename, fdCreateAlways, faWrite, fsNone);
       try
-{$IFDEF UNICODE}
         if SameText(S, String(AnsiString(S))) then
           F.WriteAnsi(AnsiString(S))
         else
           F.Write(S);
-{$ELSE}
-        F.Write(S);
-{$ENDIF}
       finally
         F.Free;
       end;
@@ -2008,15 +1971,15 @@ var
     procedure CreateAnIcon(Name: String; const Description, Path, Parameters,
       WorkingDir, IconFilename: String; const IconIndex, ShowCmd: Integer;
       const NeverUninstall: Boolean; const CloseOnExit: TSetupIconCloseOnExit;
-      const HotKey: Word; FolderShortcut: Boolean;
-      const AppUserModelID: String; const AppUserModelToastActivatorCLSID: PGUID;
+      const HotKey: Word; const AppUserModelID: String;
+      const AppUserModelToastActivatorCLSID: PGUID;
       const ExcludeFromShowInNewInstall, PreventPinning: Boolean);
     var
       BeginsWithGroup: Boolean;
       LinkFilename, PifFilename, UrlFilename, DirFilename, ProbableFilename,
         ResultingFilename: String;
       Flags: TMakeDirFlags;
-      URLShortcut, FolderShortcutCreated: Boolean;
+      URLShortcut: Boolean;
     begin
       BeginsWithGroup := Copy(Name, 1, 8) = '{group}\';
       { Note: PathExpand removes trailing spaces, so it can't be called on
@@ -2033,12 +1996,6 @@ var
       else if BeginsWithGroup then
         Include(Flags, mdAlwaysUninstall);
 
-      { On Windows 7, folder shortcuts don't expand properly on the Start Menu
-        (they just show "target"), so ignore the foldershortcut flag.
-        (Windows Vista works fine.) }
-      if FolderShortcut and WindowsVersionAtLeast(6, 1) then
-        FolderShortcut := False;
-
       URLShortcut := IsPathURL(Path);
       if URLShortcut then
         ProbableFilename := UrlFilename
@@ -2066,12 +2023,11 @@ var
           environment-variable strings (e.g. %SystemRoot%\...) }
         ResultingFilename := CreateShellLink(LinkFilename, Description, Path,
           Parameters, WorkingDir, IconFilename, IconIndex, ShowCmd, HotKey,
-          FolderShortcut, AppUserModelID, AppUserModelToastActivatorCLSID,
+          AppUserModelID, AppUserModelToastActivatorCLSID,
           ExcludeFromShowInNewInstall, PreventPinning);
-        FolderShortcutCreated := FolderShortcut and DirExists(ResultingFilename);
 
         { If a .pif file was created, apply the "Close on exit" setting }
-        if (CloseOnExit <> icNoSetting) and not FolderShortcutCreated and
+        if (CloseOnExit <> icNoSetting) and
            (CompareText(PathExtractExt(ResultingFilename), '.pif') = 0) then begin
           try
             ModifyPifFile(ResultingFilename, CloseOnExit = icYes);
@@ -2084,7 +2040,6 @@ var
         { Create an Internet Shortcut (.url) file }
         CreateURLFile(UrlFilename, Path, IconFilename, IconIndex);
         ResultingFilename := UrlFilename;
-        FolderShortcutCreated := False;
       end;
 
       Log('Successfully created the icon.');
@@ -2093,24 +2048,14 @@ var
       CreatedIcon := True;
 
       { Notify shell of the change }
-      if FolderShortcutCreated then
-        SHChangeNotify(SHCNE_MKDIR, SHCNF_PATH, PChar(ResultingFilename), nil)
-      else
-        SHChangeNotify(SHCNE_CREATE, SHCNF_PATH, PChar(ResultingFilename), nil);
+      SHChangeNotify(SHCNE_CREATE, SHCNF_PATH, PChar(ResultingFilename), nil);
       SHChangeNotify(SHCNE_UPDATEDIR, SHCNF_PATH or SHCNF_FLUSH,
         PChar(PathExtractDir(ResultingFilename)), nil);
 
       { Add uninstall log entries }
       if not NeverUninstall then begin
-        if FolderShortcutCreated then begin
-          UninstLog.Add(utDeleteDirOrFiles, [ResultingFilename],
-            utDeleteDirOrFiles_IsDir or utDeleteDirOrFiles_CallChangeNotify);
-          UninstLog.Add(utDeleteFile, [AddBackslash(ResultingFilename) + 'target.lnk'], 0);
-          UninstLog.Add(utDeleteFile, [AddBackslash(ResultingFilename) + 'Desktop.ini'], 0);
-        end
-        else if URLShortcut then begin
-          UninstLog.Add(utDeleteFile, [ResultingFilename], utDeleteFile_CallChangeNotify);
-        end
+        if URLShortcut then
+          UninstLog.Add(utDeleteFile, [ResultingFilename], utDeleteFile_CallChangeNotify)
         else begin
           { Even though we only created one file, go ahead and try deleting
             both a .lnk and .pif file at uninstall time, in case the user
@@ -2122,14 +2067,12 @@ var
     end;
 
     function ExpandAppPath(const Filename: String): String;
-    const
-      AppPathsBaseKey = NEWREGSTR_PATH_SETUP + '\App Paths\';
     var
       K: HKEY;
       Found: Boolean;
     begin
       if RegOpenKeyExView(InstallDefaultRegView, HKEY_LOCAL_MACHINE,
-         PChar(AppPathsBaseKey + Filename), 0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
+         PChar(REGSTR_PATH_APPPATHS + '\' + Filename), 0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
         Found := RegQueryStringValue(K, '', Result);
         RegCloseKey(K);
         if Found then
@@ -2164,7 +2107,7 @@ var
                 ExpandConst(Parameters), ExpandConst(WorkingDir),
                 ExpandConst(IconFilename), IconIndex, ShowCmd,
                 ioUninsNeverUninstall in Options, CloseOnExit, HotKey,
-                ioFolderShortcut in Options, ExpandConst(AppUserModelID), TACLSID,
+                ExpandConst(AppUserModelID), TACLSID,
                 ioExcludeFromShowInNewInstall in Options,
                 ioPreventPinning in Options)
             end else
@@ -2320,10 +2263,8 @@ var
     NeedToRetry, DidDeleteKey: Boolean;
     ErrorCode: Longint;
     QV: Integer64;
-{$IFDEF UNICODE}
     I: Integer;
     AnsiS: AnsiString;
-{$ENDIF}
   begin
     for CurRegNumber := 0 to Entries[seRegistry].Count-1 do begin
       with PSetupRegistryEntry(Entries[seRegistry][CurRegNumber])^ do begin
@@ -2495,16 +2436,11 @@ var
                             RegError(reRegSetValueEx, RK, S, ErrorCode);
                         end;
                       rtBinary: begin
-{$IFDEF UNICODE}
                           AnsiS := '';
                           for I := 1 to Length(ValueData) do
                             AnsiS := AnsiS + AnsiChar(Ord(ValueData[I]));
                           ErrorCode := RegSetValueEx(K, PChar(N), 0, REG_BINARY,
                             PAnsiChar(AnsiS), Length(AnsiS));
-{$ELSE}
-                          ErrorCode := RegSetValueEx(K, PChar(N), 0, REG_BINARY,
-                            PChar(ValueData), Length(ValueData));
-{$ENDIF}
                           if (ErrorCode <> ERROR_SUCCESS) and
                              not(roNoError in Options) then
                             RegError(reRegSetValueEx, RK, S, ErrorCode);
@@ -2607,7 +2543,6 @@ var
 
     const
       Chars: array[Boolean, Boolean] of Char = (('s', 't'), ('S', 'T'));
-      RunOnceKey = NEWREGSTR_PATH_SETUP + '\RunOnce';
     var
       RegSvrExeFilename: String;
       F: TTextFileWriter;
@@ -2627,8 +2562,8 @@ var
           { In case Windows directory is write protected, try the Temp directory.
             Windows directory is our first choice since some people (ignorantly)
             put things like "DELTREE C:\WINDOWS\TEMP\*.*" in their AUTOEXEC.BAT.
-            Also on Windows 2000 and later, each user has his own personal Temp
-            directory which may not be accessible by other users. }
+            Also, each user has his own personal Temp directory which may not
+            be accessible by other users. }
           RegSvrExeFilename := CreateRegSvrExe(GetTempDir);
         end;
       end
@@ -2666,11 +2601,11 @@ var
           RootKey := HKEY_LOCAL_MACHINE
         else
           RootKey := HKEY_CURRENT_USER;
-        ErrorCode := RegCreateKeyExView(rvDefault, RootKey, RunOnceKey, 0, nil,
+        ErrorCode := RegCreateKeyExView(rvDefault, RootKey, REGSTR_PATH_RUNONCE, 0, nil,
           REG_OPTION_NON_VOLATILE, KEY_SET_VALUE or KEY_QUERY_VALUE,
           nil, H, @Disp);
         if ErrorCode <> ERROR_SUCCESS then
-          RegError(reRegCreateKeyEx, RootKey, RunOnceKey, ErrorCode);
+          RegError(reRegCreateKeyEx, RootKey, REGSTR_PATH_RUNONCE, ErrorCode);
         try
           J := 0;
           while True do begin
@@ -2688,7 +2623,7 @@ var
               ErrorCode := RegSetValueEx(H, PChar(ValueName), 0, REG_SZ, PChar(Data),
                 (Length(Data)+1)*SizeOf(Data[1]));
               if ErrorCode <> ERROR_SUCCESS then
-                RegError(reRegSetValueEx, RootKey, RunOnceKey, ErrorCode);
+                RegError(reRegSetValueEx, RootKey, REGSTR_PATH_RUNONCE, ErrorCode);
               Break;
             end;
           end;
@@ -3391,13 +3326,7 @@ procedure ExtractTemporaryFile(const BaseName: String);
       if Result[I] = '{' then begin
         Insert('{', Result, I);
         Inc(I);
-  {$IFDEF UNICODE}
       end;
-  {$ELSE}
-      end
-      else if Result[I] in ConstLeadBytes^ then
-        Inc(I);
-  {$ENDIF}
       Inc(I);
     end;
   end;

Projects/Int64em.pas → Projects/Int64Em.pas

@@ -2,7 +2,7 @@ unit Int64Em;
 
 {
   Inno Setup
-  Copyright (C) 1997-2008 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -10,8 +10,6 @@ unit Int64Em;
   integer value - and functions for manipulating Integer64's.
   (We can't use the Int64 type since it's only available in Delphi 4 and
   later.)
-
-  $jrsoftware: issrc/Projects/Int64Em.pas,v 1.14 2008/10/03 19:53:57 jr Exp $
 }
 
 interface
@@ -19,10 +17,6 @@ interface
 {$I VERSION.INC}
 
 type
-  {$IFNDEF IS_D4}
-  LongWord = Cardinal;
-  {$ENDIF}
-
   Integer64 = record
     Lo, Hi: LongWord;
   end;

Projects/LZMA.pas

@@ -2,7 +2,7 @@ unit LZMA;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -15,12 +15,8 @@ interface
 {$I VERSION.INC}
 
 uses
-  Windows, SysUtils, {$IFNDEF Delphi3orHigher} Ole2, {$ENDIF}
+  Windows, SysUtils,
   Compress, Int64Em;
-  { Note: Ole2 must be included in the 'uses' clause on D2, and after Windows,
-    because it redefines E_* constants in Windows that are incorrect.
-    E_OUTOFMEMORY, for example, is defined as $80000002 in Windows, instead
-    of $8007000E. }
 
 function LZMAInitCompressFunctions(Module: HMODULE): Boolean;
 function LZMAGetLevel(const Value: String; var Level: Integer): Boolean;

Projects/MD5.pas

@@ -3,9 +3,6 @@ unit MD5;
 {
   MD5.pas: Translated from C to Delphi by Jordan Russell on 2004-03-16.
   Still in the public domain. The original C code was taken from dpkg.
-
-  $jrsoftware: issrc/Projects/MD5.pas,v 1.2 2004/03/16 17:58:14 jr Exp $
-  (based on revision 1.15 from local 'md5' repository)
 }
 
 (*
@@ -32,20 +29,8 @@ unit MD5;
 
 interface
 
-{$IFNDEF VER80}
-{$IFNDEF VER90}
-{$IFNDEF VER93}
-{$IFNDEF VER100}
-{$IFNDEF VER110}
-  {$DEFINE MD5_D4PLUS}
-{$ENDIF}
-{$ENDIF}
-{$ENDIF}
-{$ENDIF}
-{$ENDIF}
-
 type
-  TMD5Word = {$IFDEF MD5_D4PLUS} LongWord {$ELSE} Cardinal {$ENDIF};
+  TMD5Word = LongWord;
   TMD5Buf = array[0..3] of TMD5Word;
   TMD5In = array[0..15] of TMD5Word;
   TMD5Context = record

Projects/Main.pas

@@ -167,7 +167,7 @@ var
   { Other }
   ShowLanguageDialog, MatchedLangParameter: Boolean;
   InstallMode: (imNormal, imSilent, imVerySilent);
-  HasIcons, IsNT, IsWin64, Is64BitInstallMode, IsAdmin, IsPowerUserOrAdmin, IsAdminInstallMode,
+  HasIcons, IsWin64, Is64BitInstallMode, IsAdmin, IsPowerUserOrAdmin, IsAdminInstallMode,
     NeedPassword, NeedSerial, NeedsRestart, RestartSystem,
     IsUninstaller, AllowUninstallerShutdown, AcceptedQueryEndSessionInProgress: Boolean;
   InstallDefaultDisableFsRedir, ScriptFuncDisableFsRedir: Boolean;
@@ -185,9 +185,7 @@ var
   SetupExitCode: Integer;
   CreatedIcon: Boolean;
   RestartInitiatedByThisProcess, DownloadTemporaryFileProcessMessages: Boolean;
-{$IFDEF IS_D12}
   TaskbarButtonHidden: Boolean;
-{$ENDIF}
   InstallModeRootKey: HKEY;
 
   CodeRunner: TScriptRunner;
@@ -268,10 +266,9 @@ uses
   ShellAPI, ShlObj,
   Msgs, MsgIDs, Install, InstFunc, InstFnc2, RedirFunc, PathFunc,
   Compress, CompressZlib, bzlib, LZMADecomp, ArcFour, SetupEnt, SelLangForm,
-  Wizard, DebugClient, VerInfo, Extract, FileClass, Logging, MD5, SHA1,
-  {$IFNDEF Delphi3orHigher} OLE2, {$ELSE} ActiveX, {$ENDIF}
+  Wizard, DebugClient, VerInfo, Extract, FileClass, Logging, MD5, SHA1, ActiveX,
   SimpleExpression, Helper, SpawnClient, SpawnServer, DotNet, BitmapImage,
-  TaskDialog;
+  TaskDialog, RegStr;
 
 {$R *.DFM}
 
@@ -310,12 +307,10 @@ begin
 end;
 
 function GetUninstallRegKeyBaseName(const ExpandedAppId: String): String;
-{$IFDEF UNICODE}
 var
   UseAnsiCRC32: Boolean;
   S: AnsiString;
   I: Integer;
-{$ENDIF}
 begin
   { Set uninstall registry key base name }
   Result := ExpandedAppId;
@@ -327,7 +322,6 @@ begin
       resulting string is 57 characters long. On Unicode, only do this if we
       can get a CRC32 compatible with ANSI versions, else there's no point
       in shortening since Unicode doesn't run on Win95. }
-{$IFDEF UNICODE}
     UseAnsiCRC32 := True;
     for I := 1 to Length(Result) do begin
       if Ord(Result[I]) > 126 then begin
@@ -339,15 +333,12 @@ begin
       S := AnsiString(Result);
       FmtStr(Result, '%.48s~%.8x', [Result, GetCRC32(S[1], Length(S)*SizeOf(S[1]))]);
     end;
-{$ELSE}
-    FmtStr(Result, '%.48s~%.8x', [Result, GetCRC32(Result[1], Length(Result)*SizeOf(Result[1]))]);
-{$ENDIF}
   end;
 end;
 
 function GetUninstallRegSubkeyName(const UninstallRegKeyBaseName: String): String;
 begin
-  Result := Format('%s\%s_is1', [NEWREGSTR_PATH_UNINSTALL, UninstallRegKeyBaseName]);
+  Result := Format('%s\%s_is1', [REGSTR_PATH_UNINSTALL, UninstallRegKeyBaseName]);
 end;
 
 { Based on FindPreviousData in Wizard.pas }
@@ -1267,13 +1258,8 @@ begin
           Inc(I); { Skip closing brace }
       end;
     end
-    else begin
-{$IFNDEF UNICODE}
-      if Result[I] in ConstLeadBytes^ then
-        Inc(I);
-{$ENDIF}
+    else
       Inc(I);
-    end;
   end;
 end;
 
@@ -1299,7 +1285,7 @@ procedure InitMainNonSHFolderConsts;
   var
     H: HKEY;
   begin
-    if RegOpenKeyExView(RegView, HKEY_LOCAL_MACHINE, NEWREGSTR_PATH_SETUP, 0,
+    if RegOpenKeyExView(RegView, HKEY_LOCAL_MACHINE, REGSTR_PATH_SETUP, 0,
        KEY_QUERY_VALUE, H) = ERROR_SUCCESS then begin
       if not RegQueryStringValue(H, Name, Result) then
         Result := '';
@@ -1310,14 +1296,11 @@ procedure InitMainNonSHFolderConsts;
   end;
 
   procedure ReadSysUserInfo;
-  const
-    Paths: array[Boolean] of PChar = (NEWREGSTR_PATH_SETUP,
-      'SOFTWARE\Microsoft\Windows NT\CurrentVersion');
   var
     RegView: TRegView;
     K: HKEY;
   begin
-    { Windows Vista and Server 2008 x64 are bugged: the owner and organization
+    { Windows 7 x64 (and later?) is bugged: the owner and organization
       are set to "Microsoft" on the 32-bit key. So on 64-bit Windows, read
       from the 64-bit key. (The bug doesn't exist on 64-bit XP or Server 2003,
       but it's safe to read the 64-bit key on those versions too.) }
@@ -1325,8 +1308,8 @@ procedure InitMainNonSHFolderConsts;
       RegView := rv64Bit
     else
       RegView := rvDefault;
-    if RegOpenKeyExView(RegView, HKEY_LOCAL_MACHINE, Paths[IsNT], 0, KEY_QUERY_VALUE,
-       K) = ERROR_SUCCESS then begin
+    if RegOpenKeyExView(RegView, HKEY_LOCAL_MACHINE, 'SOFTWARE\Microsoft\Windows NT\CurrentVersion',
+       0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
       RegQueryStringValue(K, 'RegisteredOwner', SysUserInfoName);
       RegQueryStringValue(K, 'RegisteredOrganization', SysUserInfoOrg);
       RegCloseKey(K);
@@ -1341,10 +1324,7 @@ begin
   WinSysNativeDir := GetSysNativeDir(IsWin64);
 
   { Get system drive }
-  if Win32Platform = VER_PLATFORM_WIN32_NT then
-    SystemDrive := GetEnv('SystemDrive')  {don't localize}
-  else
-    SystemDrive := '';
+  SystemDrive := GetEnv('SystemDrive');  {don't localize}
   if SystemDrive = '' then begin
     SystemDrive := PathExtractDrive(WinDir);
     if SystemDrive = '' then
@@ -1371,10 +1351,7 @@ begin
   end;
 
   { Get path of command interpreter }
-  if IsNT then
-    CmdFilename := AddBackslash(WinSystemDir) + 'cmd.exe'
-  else
-    CmdFilename := AddBackslash(WinDir) + 'COMMAND.COM';
+  CmdFilename := AddBackslash(WinSystemDir) + 'cmd.exe';
 
   { Get user info from system }
   ReadSysUserInfo;
@@ -1501,7 +1478,7 @@ begin
   SHFolderDLLHandle := SafeLoadLibrary(Filename, SEM_NOOPENFILEERRORBOX);
   if SHFolderDLLHandle = 0 then
     InternalError(Format('Failed to load DLL "%s"', [Filename]));
-  @SHGetFolderPathFunc := GetProcAddress(SHFolderDLLHandle, {$IFDEF UNICODE}'SHGetFolderPathW'{$ELSE}'SHGetFolderPathA'{$ENDIF});
+  @SHGetFolderPathFunc := GetProcAddress(SHFolderDLLHandle, 'SHGetFolderPathW');
   if @SHGetFolderPathFunc = nil then
     InternalError('Failed to get address of SHGetFolderPath function');
 end;
@@ -1528,17 +1505,16 @@ begin
   if Create then
     Folder := Folder or CSIDL_FLAG_CREATE;
 
-  { Work around a nasty bug in Windows Vista (still present in SP1) and
-    Windows Server 2008: When a folder ID resolves to the root directory of a
+  { Work around a nasty bug in Windows Vista and Windows Server 2008 and maybe
+    later versions also: When a folder ID resolves to the root directory of a
     drive ('X:\') and the CSIDL_FLAG_CREATE flag is passed, SHGetFolderPath
     fails with code 0x80070005.
-    So on Vista only, first try calling the function without CSIDL_FLAG_CREATE.
+    So, first try calling the function without CSIDL_FLAG_CREATE.
     If and only if that fails, call it again with the flag.
     Note: The calls *must* be issued in this order; if it's called with the
     flag first, it seems to permanently cache the failure code, causing future
     calls that don't include the flag to fail as well. }
-  if (WindowsVersion shr 16 >= $0600) and
-     (Folder and CSIDL_FLAG_CREATE <> 0) then
+  if Folder and CSIDL_FLAG_CREATE <> 0 then
     Res := SHGetFolderPathFunc(0, Folder and not CSIDL_FLAG_CREATE, 0,
       SHGFP_TYPE_CURRENT, Buf)
   else
@@ -1557,7 +1533,7 @@ end;
 
 function GetShellFolderByGUID(Folder: TGUID; const Create: Boolean): String;
 begin
-  if Assigned(SHGetKnownFolderPathFunc) and (WindowsVersion shr 16 >= $0600) then begin
+  if Assigned(SHGetKnownFolderPathFunc) then begin
     var dwFlags: DWORD := 0;
     if Create then
       dwFlags := dwFlags or KF_FLAG_CREATE;
@@ -1605,16 +1581,12 @@ var
   ShellFolder: String;
 begin
   if not ShellFoldersRead[Common, ID] then begin
-    if ID = sfUserProgramFiles then begin
-      ShellFolder := GetShellFolderByGUID(FOLDERID_UserProgramFiles {Windows 7+}, True);
-      if ShellFolder = '' then
-        ShellFolder := ExpandConst('{localappdata}\Programs'); { supply default, same as Window 7 and newer }
-    end else if ID = sfUserCommonFiles then begin
-      ShellFolder := GetShellFolderByGUID(FOLDERID_UserProgramFilesCommon {Windows 7+}, True);
-      if ShellFolder = '' then
-        ShellFolder := ExpandConst('{localappdata}\Programs\Common'); { supply default, same as Window 7 and newer }
-    end else if ID = sfUserSavedGames then
-      ShellFolder := GetShellFolderByGUID(FOLDERID_SavedGames {Vista+}, True)
+    if ID = sfUserProgramFiles then
+      ShellFolder := GetShellFolderByGUID(FOLDERID_UserProgramFiles, True)
+    else if ID = sfUserCommonFiles then
+      ShellFolder := GetShellFolderByGUID(FOLDERID_UserProgramFilesCommon, True)
+    else if ID = sfUserSavedGames then
+      ShellFolder := GetShellFolderByGUID(FOLDERID_SavedGames, True)
     else
       ShellFolder := GetShellFolderByCSIDL(FolderIDs[Common, ID], True);
     ShellFolders[Common, ID] := ShellFolder;
@@ -1629,22 +1601,16 @@ var
   Ver, Ver2, MinVer, OnlyBelowVer: Cardinal;
 begin
   Ver := WindowsVersion;
-  if IsNT then begin
-    MinVer := MinVersion.NTVersion;
-    OnlyBelowVer := OnlyBelowVersion.NTVersion;
-  end
-  else begin
-    MinVer := 0;
-    OnlyBelowVer := 0;
-  end;
+  MinVer := MinVersion.NTVersion;
+  OnlyBelowVer := OnlyBelowVersion.NTVersion;
   Result := irInstall;
   if MinVer = 0 then
     Result := irNotOnThisPlatform
   else begin
     if Ver < MinVer then
       Result := irVersionTooLow
-    else if (IsNT and (LongRec(Ver).Hi = LongRec(MinVer).Hi) and
-        (NTServicePackLevel < MinVersion.NTServicePack)) then
+    else if (LongRec(Ver).Hi = LongRec(MinVer).Hi) and
+        (NTServicePackLevel < MinVersion.NTServicePack) then
       Result := irServicePackTooLow
     else begin
       if OnlyBelowVer <> 0 then begin
@@ -1652,23 +1618,17 @@ begin
         { A build number of 0 on OnlyBelowVersion means 'match any build' }
         if LongRec(OnlyBelowVer).Lo = 0 then
           Ver2 := Ver2 and $FFFF0000;  { set build number to zero on Ver2 also }
-        if not IsNT then begin
-          if Ver2 >= OnlyBelowVer then
-            Result := irVerTooHigh;
-        end
-        else begin
-          { Note: When OnlyBelowVersion includes a service pack level, the
-            version number test changes from a "<" to "<=" operation. Thus,
-            on Windows 2000 SP4, 5.0 and 5.0.2195 will fail, but 5.0sp5 and
-            5.0.2195sp5 will pass. }
-          if (Ver2 > OnlyBelowVer) or
-             ((Ver2 = OnlyBelowVer) and
-              (OnlyBelowVersion.NTServicePack = 0)) or
-             ((LongRec(Ver).Hi = LongRec(OnlyBelowVer).Hi) and
-              (OnlyBelowVersion.NTServicePack <> 0) and
-              (NTServicePackLevel >= OnlyBelowVersion.NTServicePack)) then
-            Result := irVerTooHigh;
-        end;
+        { Note: When OnlyBelowVersion includes a service pack level, the
+          version number test changes from a "<" to "<=" operation. Thus,
+          on Windows 2000 SP4, 5.0 and 5.0.2195 will fail, but 5.0sp5 and
+          5.0.2195sp5 will pass. }
+        if (Ver2 > OnlyBelowVer) or
+           ((Ver2 = OnlyBelowVer) and
+            (OnlyBelowVersion.NTServicePack = 0)) or
+           ((LongRec(Ver).Hi = LongRec(OnlyBelowVer).Hi) and
+            (OnlyBelowVersion.NTServicePack <> 0) and
+            (NTServicePackLevel >= OnlyBelowVersion.NTServicePack)) then
+          Result := irVerTooHigh;
       end;
     end;
   end;
@@ -1884,12 +1844,8 @@ var
   J: Integer;
 begin
   Filename := AFilename;
-  if IsNT then begin
-    if not DisableFsRedir then
-      Filename := ReplaceSystemDirWithSysWow64(Filename);
-  end
-  else
-    Filename := GetShortName(Filename);
+  if not DisableFsRedir then
+    Filename := ReplaceSystemDirWithSysWow64(Filename);
   Filename := PathLowercase(Filename);
   for J := 0 to CheckForFileSL.Count-1 do begin
     if CheckForFileSL[J] = Filename then begin
@@ -1979,8 +1935,7 @@ begin
     { From MSDN: "Installers should not disable file system redirection before calling
       the Restart Manager API. This means that a 32-bit installer run on 64-bit Windows
       is unable register a file in the %windir%\system32 directory." This is incorrect,
-      we can register such files by using the Sysnative alias. Note: the Sysnative alias
-      is only available on Windows Vista and newer, but so is Restart Manager. }
+      we can register such files by using the Sysnative alias. }
     if DisableFsRedir then
       Filename := ReplaceSystemDirWithSysNative(Filename, IsWin64);
 
@@ -1989,11 +1944,7 @@ begin
 
     Len := Length(Filename);
     GetMem(RegisterFileBatchFilenames[RegisterFileFilenamesBatchCount], (Len + 1) * SizeOf(RegisterFileBatchFilenames[RegisterFileFilenamesBatchCount][0]));
-    {$IFNDEF UNICODE}
-      RegisterFileFilenames[RegisterFileFilenamesCount][MultiByteToWideChar(CP_ACP, 0, PChar(Filename), Len, RegisterFileFilenames[RegisterFileFilenamesCount], Len)] := #0;
-    {$ELSE}
-      StrPCopy(RegisterFileBatchFilenames[RegisterFileFilenamesBatchCount], Filename);
-    {$ENDIF}
+    StrPCopy(RegisterFileBatchFilenames[RegisterFileFilenamesBatchCount], Filename);
     Inc(RegisterFileFilenamesBatchCount);
 
     Inc(RmRegisteredFilesCount);
@@ -2164,14 +2115,6 @@ end;
 
 procedure SetActiveLanguage(const I: Integer);
 { Activates the specified language }
-const
-{$IFDEF UNICODE}
-  { UNICODE requires 2000+, so we can just use the English name }
-  SMSPGothic = 'MS PGothic';
-{$ELSE}
-  { "MS PGothic" in Japanese (CP 932) }
-  SMSPGothic = #$82'l'#$82'r '#$82'o'#$83'S'#$83'V'#$83'b'#$83'N';
-{$ENDIF}
 var
   LangEntry: PSetupLanguageEntry;
   J: Integer;
@@ -2191,30 +2134,6 @@ begin
   Finalize(LangOptions);  { prevent leak on D2 }
   LangOptions := LangEntry^;
 
-  { Hack for Japanese: Override the default fonts on older versions of Windows
-    that don't (fully) support font linking }
-  if (LangOptions.LanguageID = $0411) and
-{$IFNDEF UNICODE}
-     (GetACP = 932) and
-{$ENDIF}
-     (WindowsVersion < Cardinal($05010000)) and
-     FontExists(SMSPGothic) then begin
-    { Windows <= 2000: Verdana can't display Japanese }
-    LangOptions.WelcomeFontName := SMSPGothic;
-    LangOptions.WelcomeFontSize := 12;
-{$IFNDEF UNICODE}
-    if WindowsVersion < Cardinal($05000000) then begin
-      { Windows 9x/Me/NT 4.0: MS Sans Serif can't display Japanese }
-      LangOptions.DialogFontName := SMSPGothic;
-      LangOptions.DialogFontSize := 9;
-      LangOptions.TitleFontName := SMSPGothic;
-      LangOptions.TitleFontSize := 29;
-      LangOptions.CopyrightFontName := SMSPGothic;
-      LangOptions.CopyrightFontSize := 9;
-    end;
-{$ENDIF}
-  end;
-
   if LangEntry.LicenseText <> '' then
     ActiveLicenseText := LangEntry.LicenseText
   else
@@ -2293,9 +2212,7 @@ begin
     application window. We can't simply hide the window because on D3+ the VCL
     would just show it again in TApplication.UpdateVisible when the first form
     is shown. }
-{$IFDEF IS_D12}
   TaskbarButtonHidden := not AVisible;  { see WM_STYLECHANGING hook in Setup.dpr }
-{$ENDIF}
   if (GetWindowLong(Application.Handle, GWL_EXSTYLE) and WS_EX_TOOLWINDOW = 0) <> AVisible then begin
     SetWindowPos(Application.Handle, 0, 0, 0, 0, 0, SWP_NOSIZE or
       SWP_NOMOVE or SWP_NOZORDER or SWP_NOACTIVATE or SWP_HIDEWINDOW);
@@ -2333,18 +2250,16 @@ begin
       SP := SP + '.' + IntToStr(Lo(NTServicePackLevel));
   end;
   LogFmt('Windows version: %u.%u.%u%s  (NT platform: %s)', [WindowsVersion shr 24,
-    (WindowsVersion shr 16) and $FF, WindowsVersion and $FFFF, SP, SYesNo[IsNT]]);
+    (WindowsVersion shr 16) and $FF, WindowsVersion and $FFFF, SP, SYesNo[True]]);
   LogFmt('64-bit Windows: %s', [SYesNo[IsWin64]]);
   LogFmt('Processor architecture: %s', [SetupProcessorArchitectureNames[ProcessorArchitecture]]);
 
-  if IsNT then begin
-    if IsAdmin then
-      Log('User privileges: Administrative')
-    else if IsPowerUserOrAdmin then
-      Log('User privileges: Power User')
-    else
-      Log('User privileges: None');
-  end;
+  if IsAdmin then
+    Log('User privileges: Administrative')
+  else if IsPowerUserOrAdmin then
+    Log('User privileges: Power User')
+  else
+    Log('User privileges: None');
 end;
 
 function GetMessageBoxResultText(const AResult: Integer): String;
@@ -3658,8 +3573,8 @@ begin
       BorderStyle := bsSingle;
 
     { Make the main window full-screen. If the window is resizable, limit it
-      to just the work area because on recent versions of Windows (e.g. 2000)
-      full-screen resizable windows don't cover over the taskbar. }
+      to just the work area because full-screen resizable windows don't cover
+      over the taskbar. }
     BoundsRect := GetRectOfPrimaryMonitor(BorderStyle = bsSizeable);
     { Before maximizing the window, ensure Handle is created now so the correct
       'restored' position is saved properly }
@@ -3816,9 +3731,7 @@ begin
     S := S + SNewLine2 + SetupMessages[msgAboutSetupNote];
   if SetupMessages[msgTranslatorNote] <> '' then
     S := S + SNewLine2 + SetupMessages[msgTranslatorNote];
-{$IFDEF UNICODE}
   StringChangeEx(S, '(C)', #$00A9, True);
-{$ENDIF}
   LoggedMsgBox(S, SetupMessages[msgAboutSetupTitle], mbInformation, MB_OK, False, 0);
 end;
 
@@ -4478,45 +4391,6 @@ end;
 
 procedure InitWindowsVersion;
 
-  procedure ReadServicePackFromRegistry;
-  var
-    K: HKEY;
-    Size, Typ, SP: DWORD;
-  begin
-    if RegOpenKeyExView(rvDefault, HKEY_LOCAL_MACHINE, 'System\CurrentControlSet\Control\Windows',
-       0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
-      Size := SizeOf(SP);
-      if (RegQueryValueEx(K, 'CSDVersion', nil, @Typ, @SP, @Size) = ERROR_SUCCESS) and
-         (Typ = REG_DWORD) and (Size = SizeOf(SP)) then
-        NTServicePackLevel := Word(SP);
-      RegCloseKey(K);
-    end;
-  end;
-
-  procedure ReadProductTypeFromRegistry;
-  const
-    VER_NT_WORKSTATION = 1;
-    VER_NT_DOMAIN_CONTROLLER = 2;
-    VER_NT_SERVER = 3;
-  var
-    K: HKEY;
-    S: String;
-  begin
-    if RegOpenKeyExView(rvDefault, HKEY_LOCAL_MACHINE, 'System\CurrentControlSet\Control\ProductOptions',
-       0, KEY_QUERY_VALUE, K) = ERROR_SUCCESS then begin
-      { See MS KB article 152078 for details on this key } 
-      if RegQueryStringValue(K, 'ProductType', S) then begin
-        if CompareText(S, 'WinNT') = 0 then
-          WindowsProductType := VER_NT_WORKSTATION
-        else if CompareText(S, 'LanmanNT') = 0 then
-          WindowsProductType := VER_NT_DOMAIN_CONTROLLER
-        else if CompareText(S, 'ServerNT') = 0 then
-          WindowsProductType := VER_NT_SERVER;
-      end;
-      RegCloseKey(K);
-    end;
-  end;
-
 type
   TOSVersionInfoEx = packed record
     dwOSVersionInfoSize: DWORD;
@@ -4541,22 +4415,12 @@ begin
       (Byte(OSVersionInfo.dwMinorVersion) shl 16) or
       Word(OSVersionInfo.dwBuildNumber);
     { ^ Note: We MUST clip dwBuildNumber to 16 bits for Win9x compatibility }
-    if IsNT then begin
-      if OSVersionInfo.dwMajorVersion >= 5 then begin
-        { OSVERSIONINFOEX is only available starting in Windows 2000 }
-        OSVersionInfoEx.dwOSVersionInfoSize := SizeOf(OSVersionInfoEx);
-        if GetVersionEx(POSVersionInfo(@OSVersionInfoEx)^) then begin
-          NTServicePackLevel := (Byte(OSVersionInfoEx.wServicePackMajor) shl 8) or
-            Byte(OSVersionInfoEx.wServicePackMinor);
-          WindowsProductType := OSVersionInfoEx.wProductType;
-          WindowsSuiteMask := OSVersionInfoEx.wSuiteMask;
-        end;
-      end
-      else if OSVersionInfo.dwMajorVersion = 4 then begin
-        { Read from the registry on NT 4 }
-        ReadServicePackFromRegistry;
-        ReadProductTypeFromRegistry;
-      end;
+    OSVersionInfoEx.dwOSVersionInfoSize := SizeOf(OSVersionInfoEx);
+    if GetVersionEx(POSVersionInfo(@OSVersionInfoEx)^) then begin
+      NTServicePackLevel := (Byte(OSVersionInfoEx.wServicePackMajor) shl 8) or
+        Byte(OSVersionInfoEx.wServicePackMinor);
+      WindowsProductType := OSVersionInfoEx.wProductType;
+      WindowsSuiteMask := OSVersionInfoEx.wSuiteMask;
     end;
   end;
 end;
@@ -4606,12 +4470,8 @@ begin
 end;
 
 initialization
-  IsNT := UsingWinNT;
   InitIsWin64AndProcessorArchitecture;
   InitWindowsVersion;
-{$IFNDEF UNICODE}
-  ConstLeadBytes := @SetupHeader.LeadBytes;
-{$ENDIF}
   InitComponents := TStringList.Create();
   InitTasks := TStringList.Create();
   NewParamsForCode := TStringList.Create();

Projects/RedirFunc.pas

@@ -2,7 +2,7 @@ unit RedirFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2007 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -123,10 +123,8 @@ function DisableFsRedirectionIf(const Disable: Boolean;
   If Disable is True, the function attempts to disable WOW64 file system
   redirection, so that c:\windows\system32 goes to the 64-bit System directory
   instead of the 32-bit one.
-  Returns True if successful, False if not (which normally indicates that
-  either the user is running 32-bit Windows, or a 64-bit version prior to
-  Windows Server 2003 SP1). For extended error information when False is
-  returned, call GetLastError. }
+  Returns True if successful, False if not. For extended error information when
+  False is returned, call GetLastError. }
 begin
   PreviousState.DidDisable := False;
   if not Disable then
@@ -142,7 +140,7 @@ begin
         PreviousState.DidDisable := True;
     end
     else begin
-      { The functions do not exist prior to Windows Server 2003 SP1 }
+      { Should never happen }
       SetLastError(ERROR_INVALID_FUNCTION);
       Result := False;
     end;

Projects/RegDLL.pas

@@ -2,7 +2,7 @@ unit RegDLL;
 
 {
   Inno Setup
-  Copyright (C) 1997-2012 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -86,11 +86,8 @@ begin
     is running }
   WindowDisabler := TWindowDisabler.Create;
   try
-    { On Windows Vista, to get the "WRP Mitigation" compatibility hack which
-      a lot of DLLs a require, we must use regsvr32.exe to handle the
-      (un)registration.
-      On Windows 2000/XP/2003, use regsvr32.exe as well for behavioral &
-      error message consistency. }
+    { To get the "WRP Mitigation" compatibility hack which a lot of DLLs
+      require, we must use regsvr32.exe to handle the (un)registration. }
     RegisterServerUsingRegSvr32(AUnregister, AIs64Bit, Filename);
   finally
     WindowDisabler.Free;

Projects/RegSvr.pas

@@ -2,7 +2,7 @@ unit RegSvr;
 
 {
   Inno Setup
-  Copyright (C) 1997-2012 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -53,8 +53,7 @@ end;
 
 function RenameToNonRandomTempName(const Filename: String): String;
 { Renames Filename to a name in the format: isRS-nnn.tmp. Returns the new
-  filename if successful, or '' if not.
-  Note: This is an NT-only function, as it calls MoveFileEx. }
+  filename if successful, or '' if not. Calls MoveFileEx. }
 var
   Path, NewFilename: String;
   Attribs: DWORD;
@@ -91,18 +90,14 @@ var
   SelfFilename, NewFilename: String;
 begin
   SelfFilename := NewParamStr(0);
-  if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-    { On NT, RestartReplace will fail if the user doesn't have admin
-      privileges. We don't want to leak temporary files, so try to rename
-      ourself to a non-random name. This way, future runs should just keep
-      overwriting the same temp file. }
-    DeleteOldTempFiles(PathExtractPath(SelfFilename));
-    NewFilename := RenameToNonRandomTempName(SelfFilename);
-    if NewFilename <> '' then
-      RestartReplace(False, NewFilename, '')
-    else
-      RestartReplace(False, SelfFilename, '');
-  end
+  { RestartReplace will fail if the user doesn't have admin
+    privileges. We don't want to leak temporary files, so try to rename
+    ourself to a non-random name. This way, future runs should just keep
+    overwriting the same temp file. }
+  DeleteOldTempFiles(PathExtractPath(SelfFilename));
+  NewFilename := RenameToNonRandomTempName(SelfFilename);
+  if NewFilename <> '' then
+    RestartReplace(False, NewFilename, '')
   else
     RestartReplace(False, SelfFilename, '');
 end;

Projects/SHA1.pas

@@ -4,26 +4,12 @@ unit SHA1;
   SHA1.pas: SHA-1 hash implementation, based on RFC 3174 and MD5.pas
   Author: Jordan Russell, 2010-02-24
   License for SHA1.pas: Public domain, no copyright claimed
-
-  $jrsoftware: issrc/Projects/SHA1.pas,v 1.1 2010/02/25 04:57:34 jr Exp $
 }
 
 interface
 
-{$IFNDEF VER80}
-{$IFNDEF VER90}
-{$IFNDEF VER93}
-{$IFNDEF VER100}
-{$IFNDEF VER110}
-  {$DEFINE SHA1_D4PLUS}
-{$ENDIF}
-{$ENDIF}
-{$ENDIF}
-{$ENDIF}
-{$ENDIF}
-
 type
-  TSHA1Word = {$IFDEF SHA1_D4PLUS} LongWord {$ELSE} Cardinal {$ENDIF};
+  TSHA1Word = LongWord;
   TSHA1Buf = array[0..4] of TSHA1Word;
   TSHA1In = array[0..15] of TSHA1Word;
   TSHA1WArray = array[0..79] of TSHA1Word;

Projects/SafeDLLPath.pas

@@ -2,7 +2,7 @@ unit SafeDLLPath;
 
 {
   Inno Setup
-  Copyright (C) 1997-2016 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -12,7 +12,7 @@ unit SafeDLLPath;
   
   If SetDefaultDllDirectories is not available:
   -It calls SetDllDirectory('') to prevent LoadLibrary from searching the current
-   directory for DLLs. (Has no effect on Windows versions prior to XP SP1.)
+   directory for DLLs.
   -It then preloads a list of system DLLs which are known to be loaded unsafely
    by older or unpatched versions of Windows.
 
@@ -25,8 +25,6 @@ unit SafeDLLPath;
   It also calls SetSearchPathMode to enable "safe search mode", which causes
   SearchPath, and callers of SearchPath such as CreateProcess, to search the
   current directory after the system directories (rather than before).
-  SetSearchPathMode is available in Windows 7 and newer, and on previous
-  versions that have the KB959426 update installed.
 
   Finally, it calls SetProcessDEPPolicy (where available) to enable DEP for
   the lifetime of the process. (This has nothing to do with search paths;
@@ -55,7 +53,6 @@ const
 
 var
   KernelModule: HMODULE;
-  WinVer: WORD;
   SystemDir: String;
   SetDefaultDllDirectoriesFunc: function(DirectoryFlags: DWORD): BOOL; stdcall;
   DidSetDefaultDllDirectories: Boolean;
@@ -96,15 +93,12 @@ end;
 
 initialization
   KernelModule := GetModuleHandle(kernel32);
-  WinVer := Swap(Word(GetVersion()));
 
   DidSetDefaultDllDirectories := False;
-  if WinVer <> $0600 then begin //see NSIS link above: CoCreateInstance(CLSID_ShellLink, ...) fails on Vista if SetDefaultDllDirectories is called
-    SetDefaultDllDirectoriesFunc := GetProcAddress(KernelModule, PAnsiChar('SetDefaultDllDirectories'));
-    if Assigned(SetDefaultDllDirectoriesFunc) then
-      DidSetDefaultDllDirectories := SetDefaultDllDirectoriesFunc(LOAD_LIBRARY_SEARCH_SYSTEM32);
-  end;
-    
+  SetDefaultDllDirectoriesFunc := GetProcAddress(KernelModule, PAnsiChar('SetDefaultDllDirectories'));
+  if Assigned(SetDefaultDllDirectoriesFunc) then
+    DidSetDefaultDllDirectories := SetDefaultDllDirectoriesFunc(LOAD_LIBRARY_SEARCH_SYSTEM32);
+
   if not DidSetDefaultDllDirectories then begin
     SetDllDirectoryFunc := GetProcAddress(KernelModule, PAnsiChar('SetDllDirectoryW'));
     if Assigned(SetDllDirectoryFunc) then

Projects/ScriptClasses_C.pas

@@ -571,15 +571,9 @@ end;
 
 procedure ScriptClassesLibraryRegister_C(Cl: TPSPascalCompiler);
 const
-  clSystemColor = {$IFDEF IS_D7} $FF000000 {$ELSE} $80000000 {$ENDIF};
+  clSystemColor = $FF000000;
   COLOR_HOTLIGHT = 26;
 begin
-{$IFNDEF UNICODE}
-  { Temporary: Currently used non Unicode ROPS version doesn't define the AnsiString/PAnsiChar types }
-  Cl.AddTypeS('AnsiString', 'String');
-  Cl.AddTypeS('PAnsiChar', 'PChar');
-{$ENDIF}
-
   { Std }
   SIRegister_Std_TypesAndConsts(Cl);
   SIRegisterTObject(Cl);
@@ -593,9 +587,7 @@ begin
   SIRegisterTStringList(Cl);
   SIRegisterTHandleStream(Cl);
   SIRegisterTFileStream(Cl);
-{$IFDEF UNICODE}
   SIRegisterTStringStream(Cl);
-{$ENDIF}
 
   { Graphics }
   SIRegister_Graphics_TypesAndConsts(Cl);

Projects/ScriptClasses_R.pas

@@ -2,7 +2,7 @@ unit ScriptClasses_R;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -24,7 +24,7 @@ implementation
 uses
   Windows, Controls, Forms, StdCtrls, Graphics,
   uPSR_std, uPSR_classes, uPSR_graphics, uPSR_controls, uPSR_forms,
-  uPSR_stdctrls, uPSR_extctrls, uPSR_comobj, {$IFNDEF UNICODE} uPSUtils, {$ENDIF}
+  uPSR_stdctrls, uPSR_extctrls, uPSR_comobj,
   NewStaticText, NewCheckListBox, NewProgressBar, RichEditViewer,
   ExtCtrls, UIStateForm, SetupForm, Main, Wizard, SetupTypes, PasswordEdit,
   FolderTreeView, BitmapImage, NewNotebook, ScriptDlg, BidiCtrls,
@@ -33,8 +33,8 @@ uses
 type
   TWinControlAccess = class(TWinControl);
 
-procedure TWinControlParentBackground_R(Self: TWinControl; var T: Boolean); begin {$IFDEF IS_D7} T := TWinControlAccess(Self).ParentBackground {$ELSE} T := False {$ENDIF}; end;
-procedure TWinControlParentBackground_W(Self: TWinControl; const T: Boolean); begin {$IFDEF IS_D7} TWinControlAccess(Self).ParentBackground := T; {$ENDIF} end;
+procedure TWinControlParentBackground_R(Self: TWinControl; var T: Boolean); begin T := TWinControlAccess(Self).ParentBackground; end;
+procedure TWinControlParentBackground_W(Self: TWinControl; const T: Boolean); begin TWinControlAccess(Self).ParentBackground := T; end;
 
 procedure RegisterWinControl_R(Cl: TPSRuntimeClassImporter);
 begin
@@ -370,9 +370,7 @@ begin
     RIRegisterTStringList(Cl);
     RIRegisterTHandleStream(Cl);
     RIRegisterTFileStream(Cl);
-{$IFDEF UNICODE}
     RIRegisterTStringStream(Cl);
-{$ENDIF}
 
     { Graphics }
     RIRegisterTGraphicsObject(Cl);

Projects/ScriptCompiler.pas

@@ -2,7 +2,7 @@ unit ScriptCompiler;
 
 {
   Inno Setup
-  Copyright (C) 1997-2018 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -363,10 +363,8 @@ begin
     LineLength := FindNewLine(FScriptText, LineStartPosition);
   end;
 
-{$IFDEF UNICODE}
   { Convert Position from the UTF8 encoded ANSI string index to a UTF-16 string index }
   Position := Length(UTF8ToString(Copy(FScriptText, LineStartPosition, Position - 1))) + 1;
-{$ENDIF}
   Col := Position;
 end;
 
@@ -465,11 +463,7 @@ var
 begin
   Result := False;
 
-{$IFDEF UNICODE}
   FScriptText := UTF8Encode(ScriptText);
-{$ELSE}
-  FScriptText := ScriptText;
-{$ENDIF}
 
   for I := 0 to FExports.Count-1 do
     TScriptExport(FExports[I]).Exported := False;
@@ -482,10 +476,8 @@ begin
     PSPascalCompiler.AllowNoBegin := True;
     PSPascalCompiler.AllowNoEnd := True;
     PSPascalCompiler.BooleanShortCircuit := True;
-{$IFDEF UNICODE}
     PSPascalCompiler.AllowDuplicateRegister := False;
     PSPascalCompiler.UTF8Decode := True;
-{$ENDIF}
     PSPascalCompiler.AttributesOpenTokenID := CSTI_Less;
     PSPascalCompiler.AttributesCloseTokenID := CSTI_Greater;
 

Projects/ScriptFunc_R.pas

@@ -2,7 +2,7 @@ unit ScriptFunc_R;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -22,8 +22,7 @@ implementation
 
 uses
   Windows, ScriptFunc,
-  Forms, uPSUtils, SysUtils, Classes, Graphics, Controls, TypInfo,
-  {$IFNDEF Delphi3orHigher} Ole2, {$ELSE} ActiveX, {$ENDIF}
+  Forms, uPSUtils, SysUtils, Classes, Graphics, Controls, TypInfo, ActiveX,
   Struct, ScriptDlg, Main, PathFunc, CmnFunc, CmnFunc2, FileClass, RedirFunc,
   Install, InstFunc, InstFnc2, Msgs, MsgIDs, NewDisk, BrowseFunc, Wizard, VerInfo,
   SetupTypes, Int64Em, MD5, SHA1, Logging, SetupForm, RegDLL, Helper,
@@ -33,17 +32,16 @@ var
   ScaleBaseUnitsInitialized: Boolean;
   ScaleBaseUnitX, ScaleBaseUnitY: Integer;
 
-procedure NoSetupFuncError(const C: AnsiString);{$IFDEF UNICODE} overload;{$ENDIF}
+procedure NoSetupFuncError(const C: AnsiString); overload;
 begin
   InternalError(Format('Cannot call "%s" function during Setup', [C]));
 end;
 
-procedure NoUninstallFuncError(const C: AnsiString);{$IFDEF UNICODE} overload;{$ENDIF}
+procedure NoUninstallFuncError(const C: AnsiString); overload;
 begin
   InternalError(Format('Cannot call "%s" function during Uninstall', [C]));
 end;
 
-{$IFDEF UNICODE}
 procedure NoSetupFuncError(const C: UnicodeString); overload;
 begin
   InternalError(Format('Cannot call "%s" function during Setup', [C]));
@@ -53,31 +51,15 @@ procedure NoUninstallFuncError(const C: UnicodeString); overload;
 begin
   InternalError(Format('Cannot call "%s" function during Uninstall', [C]));
 end;
-{$ENDIF}
-
-{$IFNDEF UNICODE}
-procedure NoNonUnicodeFuncError(const C: String);
-begin
-  InternalError(Format('Cannot call "%s" function during non Unicode Setup or Uninstall', [C]));
-end;
-{$ENDIF}
 
 function StackGetAnsiString(Stack: TPSStack; ItemNo: LongInt): AnsiString;
 begin
-{$IFDEF UNICODE}
   Result := Stack.GetAnsiString(ItemNo);
-{$ELSE}
-  Result := Stack.GetString(ItemNo);
-{$ENDIF}
 end;
 
 procedure StackSetAnsiString(Stack: TPSStack; ItemNo: LongInt; const Data: AnsiString);
 begin
-{$IFDEF UNICODE}
   Stack.SetAnsiString(ItemNo, Data);
-{$ELSE}
-  Stack.SetString(ItemNo, Data);
-{$ENDIF}
 end;
 
 function GetMainForm: TMainForm;
@@ -575,7 +557,7 @@ begin
     Stack.SetInt(PStart, StringChangeEx(S, Stack.GetString(PStart-2), Stack.GetString(PStart-3), Stack.GetBool(PStart-4)));
     Stack.SetString(PStart-1, S);
   end else if Proc.Name = 'USINGWINNT' then begin
-    Stack.SetBool(PStart, UsingWinNT());
+    Stack.SetBool(PStart, True);
   end else if Proc.Name = 'FILECOPY' then begin
     ExistingFilename := Stack.GetString(PStart-1);
     if PathCompare(ExistingFilename, SetupLdrOriginalFilename) <> 0 then
@@ -862,31 +844,19 @@ begin
   end else if Proc.Name = 'GETMD5OFSTRING' then begin
     Stack.SetString(PStart, MD5DigestToString(GetMD5OfAnsiString(StackGetAnsiString(Stack, PStart-1))));
   end else if Proc.Name = 'GETMD5OFUNICODESTRING' then begin
-{$IFDEF UNICODE}
     Stack.SetString(PStart, MD5DigestToString(GetMD5OfUnicodeString(Stack.GetString(PStart-1))));
-{$ELSE}
-    NoNonUnicodeFuncError(Proc.Name);
-{$ENDIF}
   end else if Proc.Name = 'GETSHA1OFFILE' then begin
     Stack.SetString(PStart, SHA1DigestToString(GetSHA1OfFile(ScriptFuncDisableFsRedir, Stack.GetString(PStart-1))));
   end else if Proc.Name = 'GETSHA1OFSTRING' then begin
     Stack.SetString(PStart, SHA1DigestToString(GetSHA1OfAnsiString(StackGetAnsiString(Stack, PStart-1))));
   end else if Proc.Name = 'GETSHA1OFUNICODESTRING' then begin
-{$IFDEF UNICODE}
     Stack.SetString(PStart, SHA1DigestToString(GetSHA1OfUnicodeString(Stack.GetString(PStart-1))));
-{$ELSE}
-    NoNonUnicodeFuncError(Proc.Name);
-{$ENDIF}
   end else if Proc.Name = 'GETSHA256OFFILE' then begin
     Stack.SetString(PStart, GetSHA256OfFile(ScriptFuncDisableFsRedir, Stack.GetString(PStart-1)));
   end else if Proc.Name = 'GETSHA256OFSTRING' then begin
     Stack.SetString(PStart, GetSHA256OfAnsiString(StackGetAnsiString(Stack, PStart-1)));
   end else if Proc.Name = 'GETSHA256OFUNICODESTRING' then begin
-{$IFDEF UNICODE}
     Stack.SetString(PStart, GetSHA256OfUnicodeString(Stack.GetString(PStart-1)));
-{$ELSE}
-    NoNonUnicodeFuncError(Proc.Name);
-{$ENDIF}
   end else if Proc.Name = 'GETSPACEONDISK' then begin
     if GetSpaceOnDisk(ScriptFuncDisableFsRedir, Stack.GetString(PStart-1), FreeBytes, TotalBytes) then begin
       if Stack.GetBool(PStart-2) then begin
@@ -1006,7 +976,7 @@ begin
       Stack.GetString(PStart-2), Stack.GetString(PStart-3),
       Stack.GetString(PStart-4), Stack.GetString(PStart-5),
       Stack.GetString(PStart-6), Stack.GetInt(PStart-7),
-      Stack.GetInt(PStart-8), 0, False, '', nil, False, False));
+      Stack.GetInt(PStart-8), 0, '', nil, False, False));
   end else if Proc.Name = 'REGISTERTYPELIBRARY' then begin
     if Stack.GetBool(PStart) then
       HelperRegisterTypeLibrary(False, Stack.GetString(PStart-1))
@@ -1164,7 +1134,7 @@ begin
   Version.Build := WindowsVersion and $FFFF;
   Version.ServicePackMajor := Hi(NTServicePackLevel);
   Version.ServicePackMinor := Lo(NTServicePackLevel);
-  Version.NTPlatform := IsNT;
+  Version.NTPlatform := True;
   Version.ProductType := WindowsProductType;
   Version.SuiteMask := WindowsSuiteMask;
 end;
@@ -1413,19 +1383,19 @@ begin
   end else if Proc.Name = 'SAMETEXT' then begin
     Stack.SetBool(PStart, CompareText(Stack.GetString(PStart-1), Stack.GetString(PStart-2)) = 0);
   end else if Proc.Name = 'GETDATETIMESTRING' then begin
-    OldDateSeparator := {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator;
-    OldTimeSeparator := {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator;
+    OldDateSeparator := FormatSettings.DateSeparator;
+    OldTimeSeparator := FormatSettings.TimeSeparator;
     try
       NewDateSeparator := Stack.GetString(PStart-2)[1];
       NewTimeSeparator := Stack.GetString(PStart-3)[1];
       if NewDateSeparator <> #0 then
-        {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator := NewDateSeparator;
+        FormatSettings.DateSeparator := NewDateSeparator;
       if NewTimeSeparator <> #0 then
-        {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator := NewTimeSeparator;
+        FormatSettings.TimeSeparator := NewTimeSeparator;
       Stack.SetString(PStart, FormatDateTime(Stack.GetString(PStart-1), Now()));
     finally
-      {$IFDEF IS_DXE}FormatSettings.{$ENDIF}TimeSeparator := OldTimeSeparator;
-      {$IFDEF IS_DXE}FormatSettings.{$ENDIF}DateSeparator := OldDateSeparator;
+      FormatSettings.TimeSeparator := OldTimeSeparator;
+      FormatSettings.DateSeparator := OldDateSeparator;
     end;
   end else if Proc.Name = 'SYSERRORMESSAGE' then begin
     Stack.SetString(PStart, Win32ErrorString(Stack.GetInt(PStart-1)));
@@ -1480,45 +1450,6 @@ begin
   end;
 end;
 
-{$IFNDEF IS_D7}
-procedure _FmtStr(var Result: string; const Format: string;
-  const Args: array of const);
-var
-  Len, BufLen: Integer;
-  Buffer: array[0..4095] of Char;
-begin
-  BufLen := SizeOf(Buffer);
-  if Length(Format) < (sizeof(Buffer) - (sizeof(Buffer) div 4)) then
-    Len := FormatBuf(Buffer, sizeof(Buffer) - 1, Pointer(Format)^, Length(Format), Args)
-  else
-  begin
-    BufLen := Length(Format);
-    Len := BufLen;
-  end;
-  if Len >= BufLen - 1 then
-  begin
-    while Len >= BufLen - 1 do
-    begin
-      Inc(BufLen, BufLen);
-      Result := '';          // prevent copying of existing data, for speed
-      SetLength(Result, BufLen);
-      Len := FormatBuf(Pointer(Result)^, BufLen - 1, Pointer(Format)^,
-      Length(Format), Args);
-    end;
-    SetLength(Result, Len);
-  end
-  else
-    SetString(Result, Buffer, Len);
-end;
-
-{ We use the Format/FmtStr functions from Delphi 7 because Delphi 2's Format
-  raises an exception if the result is more than 4096 characters. }
-function _Format(const Format: string; const Args: array of const): string;
-begin
-  _FmtStr(Result, Format, Args);
-end;
-{$ENDIF}
-
 { VerInfo }
 function VerInfoProc(Caller: TPSExec; Proc: TPSExternalProcRec; Global, Stack: TPSStack): Boolean;
 var
@@ -1694,16 +1625,15 @@ function OtherProc(Caller: TPSExec; Proc: TPSExternalProcRec; Global, Stack: TPS
     Code: TPSError;
     E: TObject;
   begin
-    Code := Caller.{$IFDEF UNICODE} LastEx {$ELSE} ExceptionCode {$ENDIF};
+    Code := Caller.LastEx;
     if Code = erNoError then
       Result := '(There is no current exception)'
     else begin
-      E := Caller.{$IFDEF UNICODE} LastExObject {$ELSE} ExceptionObject {$ENDIF};
+      E := Caller.LastExObject;
       if Assigned(E) and (E is Exception) then
         Result := Exception(E).Message
       else
-        Result := String(PSErrorToString(Code, Caller.
-          {$IFDEF UNICODE} LastExParam {$ELSE} ExceptionString {$ENDIF}));
+        Result := String(PSErrorToString(Code, Caller.LastExParam));
     end;
   end;
 
@@ -1799,10 +1729,6 @@ function OtherProc(Caller: TPSExec; Proc: TPSExternalProcRec; Global, Stack: TPS
     I, N: Integer;
     S: String;
   begin
-{$IFNDEF UNICODE}
-    if UTF8 then
-      NoNonUnicodeFuncError('SAVESTRINGSTOUTF8FILE');
-{$ENDIF}
     try
       if Append then
         F := TTextFileWriterRedir.Create(ScriptFuncDisableFsRedir, FileName, fdOpenAlways, faWrite, fsNone)
@@ -1814,14 +1740,10 @@ function OtherProc(Caller: TPSExec; Proc: TPSExternalProcRec; Global, Stack: TPS
         N := PSDynArrayGetLength(Pointer(Arr.Dta^), Arr.aType);
         for I := 0 to N-1 do begin
           S := VNGetString(PSGetArrayField(Arr^, I));
-{$IFDEF UNICODE}
           if not UTF8 then
             F.WriteAnsiLine(AnsiString(S))
           else
             F.WriteLine(S);
-{$ELSE}
-          F.WriteLine(S);
-{$ENDIF}
         end;
       finally
         F.Free;
@@ -2124,7 +2046,7 @@ begin
   ScriptInterpreter.RegisterDelphiFunction(@_FindNext, 'FindNext', cdRegister);
   ScriptInterpreter.RegisterDelphiFunction(@_FindClose, 'FindClose', cdRegister);
   ScriptInterpreter.RegisterDelphiFunction(@_FmtMessage, 'FmtMessage', cdRegister);
-  ScriptInterpreter.RegisterDelphiFunction({$IFNDEF IS_D7} @_Format {$ELSE} @Format {$ENDIF}, 'Format', cdRegister);
+  ScriptInterpreter.RegisterDelphiFunction(@Format, 'Format', cdRegister);
   ScriptInterpreter.RegisterDelphiFunction(@_GetWindowsVersionEx, 'GetWindowsVersionEx', cdRegister); 
 end;
 

Projects/ScriptRunner.pas

@@ -2,7 +2,7 @@ unit ScriptRunner;
 
 {
   Inno Setup
-  Copyright (C) 1997-2019 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -147,7 +147,6 @@ begin
           Param := CreateHeapVariant(FPSExec.FindType2(btString));
           PPSVariantAString(Param).Data := AnsiString(Parameters[I].vAnsiString);
         end;
-{$IFDEF UNICODE}
       vtWideString:
         begin
           Param := CreateHeapVariant(FPSExec.FindType2(btWideString));
@@ -158,7 +157,6 @@ begin
           Param := CreateHeapVariant(FPSExec.FindType2(btUnicodeString));
           PPSVariantUString(Param).Data := UnicodeString(Parameters[I].VUnicodeString);
         end;
-{$ENDIF}
       vtInteger:
         begin
           Param := CreateHeapVariant(FPSExec.FindType2(btS32));
@@ -190,7 +188,6 @@ end;
 
 {---}
 
-{$IFDEF UNICODE}
 function EncodeDLLFilenameForROPS(const Filename: String): AnsiString;
 begin
   Result := '';
@@ -203,7 +200,6 @@ begin
   UnloadDLL(Caller, EncodeDLLFilenameForROPS(Stack.GetString(-1)));
   Result := True;
 end;
-{$ENDIF}
 
 function PSExecOnSpecialProcImport(Sender: TPSExec; p: TPSExternalProcRec; Tag: Pointer): Boolean;
 const
@@ -211,9 +207,7 @@ const
 var
   ScriptRunner: TScriptRunner;
   S, DllName, FunctionName: AnsiString;
-{$IFDEF UNICODE}
   UnicodeDllName: String;
-{$ENDIF}
   I: Integer;
   ForceDelayLoad, DelayLoad: Boolean;
   ErrorCode: LongInt;
@@ -248,30 +242,17 @@ begin
   FunctionName := Copy(S, 1, I-1);
 
   ScriptRunner.LogFmt('Function name: %s', [FunctionName]);
-{$IFDEF UNICODE}
   UnicodeDllName := UTF8ToString(DllName);
   ScriptRunner.LogFmt('DLL name: %s', [UnicodeDllname]);
-{$ELSE}
-  ScriptRunner.LogFmt('DLL name: %s', [DllName]);
-{$ENDIF}
 
   if Assigned(ScriptRunner.FOnDllImport) then begin
-{$IFDEF UNICODE}
     ScriptRunner.FOnDllImport(UnicodeDllName, ForceDelayLoad);
     DllName := EncodeDLLFilenameForROPS(UnicodeDllName);
-{$ELSE}
-    ScriptRunner.FOnDllImport(DllName, ForceDelayLoad);
-{$ENDIF}
-
     p.Decl := AnsiString('dll:') + DllName + Copy(p.Decl, Pos(AnsiString(#0), p.Decl), MaxInt);
   end;
 
   if DllName <> '' then begin
-{$IFDEF UNICODE}
     ScriptRunner.LogFmt('Dest DLL name: %s', [UnicodeDllName]);
-{$ELSE}
-    ScriptRunner.LogFmt('Dest DLL name: %s', [DllName]);
-{$ENDIF}
     ScriptRunner.Log('Importing the DLL function.');
   end else
     ScriptRunner.Log('Skipping.'); { We're actually still going to call ProcessDllImport but this doesn't matter to the user. }
@@ -341,12 +322,8 @@ begin
   FPSExec.OnSourceLine := PSExecOnSourceLine;
   FPSExec.OnException := PSExecOnException;
 
-{$IFNDEF UNICODE}
-  RegisterDLLRuntimeEx(FPSExec, False);
-{$ELSE}
   RegisterDLLRuntimeEx(FPSExec, False, False);
   FPSExec.RegisterFunctionName('UNLOADDLL', NewUnloadDLLProc, nil, nil);
-{$ENDIF}
   FClassImporter := ScriptClassesLibraryRegister_R(FPSExec);
   ScriptFuncLibraryRegister_R(FPSExec);
 end;
@@ -391,7 +368,7 @@ begin
         if Proc.Attributes.Count > 0 then begin
           Attr := Proc.Attributes.FindAttribute(AnsiString(FNamingAttribute));
           if (Attr <> nil) and (Attr.ValueCount = 1) and
-             ({$IFDEF UNICODE} ((Attr.Value[0].FType.BaseType = btUnicodeString) and (CompareText(PPSVariantUString(Attr.Value[0]).Data, Name) = 0)) or {$ENDIF}
+             (((Attr.Value[0].FType.BaseType = btUnicodeString) and (CompareText(PPSVariantUString(Attr.Value[0]).Data, Name) = 0)) or
               ((Attr.Value[0].FType.BaseType = btString) and (CompareText(PPSVariantAString(Attr.Value[0]).Data, Name) = 0))) then begin
             if ProcNos <> nil then
               ProcNos.Add(Pointer(ProcNo));
@@ -584,20 +561,12 @@ begin
         Params := TPSList.Create();
         try
           SetPSExecParameters(Parameters, Params);
-{$IFDEF UNICODE}
           SetPSExecReturnValue(Params, btUnicodeString, Res);
-{$ELSE}
-          SetPSExecReturnValue(Params, btString, Res);
-{$ENDIF}
           FPSExec.RunProc(Params, Cardinal(ProcNos[I]));
           WriteBackParameters(Parameters, Params);
-
+          
           RaisePSExecException;
-{$IFDEF UNICODE}
           Result := PPSVariantUString(Res).Data;
-{$ELSE}
-          Result := PPSVariantAString(Res).Data;
-{$ENDIF}
           if (Result <> '') and (BreakCondition = bcNonEmpty) then
             Exit;
         finally
@@ -628,7 +597,6 @@ function TScriptRunner.EvaluateUsedVariable(const Param1, Param2, Param3: LongIn
 
   function VariantToString(const p: TPSVariantIFC; const ClassProperties: AnsiString): String;
   begin
-{$IFDEF UNICODE}
     //PSVariantToString isn't Unicode enabled, handle strings ourselves
     //doesn't handle more complex types as records, arrays and objects
     if p.Dta <> nil then begin
@@ -640,7 +608,6 @@ function TScriptRunner.EvaluateUsedVariable(const Param1, Param2, Param3: LongIn
         Result := PSVariantToString(p, ClassProperties);
       end;
     end else
-{$ENDIF}
     Result := PSVariantToString(p, ClassProperties);
   end;
 

Projects/SecurityFunc.pas

@@ -2,13 +2,11 @@ unit SecurityFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2008 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   Functions for altering ACLs on files & registry keys
-
-  $jrsoftware: issrc/Projects/SecurityFunc.pas,v 1.6 2008/10/17 22:18:14 jr Exp $
 }
 
 interface
@@ -27,39 +25,11 @@ implementation
 uses
   PathFunc, Msgs, InstFunc, Logging, RedirFunc, Helper;
 
-{$IFNDEF UNICODE}
-function AllocWideCharStr(const S: String): PWideChar;
-{ Allocates a null-terminated Unicode copy of S on the heap. Use FreeMem to
-  free the returned pointer. } 
-var
-  SourceLen, DestLen: Integer;
-begin
-  SourceLen := Length(S);
-  if SourceLen = 0 then
-    DestLen := 0
-  else begin
-    DestLen := MultiByteToWideChar(CP_ACP, 0, PChar(S), SourceLen, nil, 0);
-    if (DestLen <= 0) or (DestLen >= High(Integer) div SizeOf(WideChar)) then
-      InternalError('AllocWideCharStr: MultiByteToWideChar failed');
-  end;
-  GetMem(Result, (DestLen + 1) * SizeOf(WideChar));
-  try
-    if DestLen <> 0 then
-      if MultiByteToWideChar(CP_ACP, 0, PChar(S), SourceLen, Result, DestLen) <> DestLen then
-        InternalError('AllocWideCharStr: MultiByteToWideChar failed');
-    Result[DestLen] := #0;
-  except
-    FreeMem(Result);
-    raise;
-  end;
-end;
-{$ENDIF}
-
 function InternalGrantPermission(const ObjectType: DWORD; const ObjectName: String;
   const Entries: TGrantPermissionEntry; const EntryCount: Integer;
   const Inheritance: DWORD): DWORD;
 { Grants the specified access to the specified object. Returns ERROR_SUCCESS if
-  successful. Always fails on Windows 9x/Me and NT 4.0. }
+  successful. }
 type
   PPSID = ^PSID;
   PPACL = ^PACL;
@@ -95,9 +65,6 @@ var
   SetEntriesInAclW: function(cCountOfExplicitEntries: ULONG;
     const pListOfExplicitEntries: TExplicitAccessW; OldAcl: PACL;
     var NewAcl: PACL): DWORD; stdcall;
-  {$IFNDEF UNICODE}
-  WideObjectName: PWideChar;
-  {$ENDIF}
   SD: PSECURITY_DESCRIPTOR;
   Dacl, NewDacl: PACL;
   ExplicitAccess: PArrayOfExplicitAccessW;
@@ -105,13 +72,6 @@ var
   I: Integer;
   Sid: PSID;
 begin
-  { Windows 9x/Me don't support ACLs, and GetNamedSecurityInfo and
-    SetEntriesInACL are buggy on NT 4 }
-  if (Win32Platform <> VER_PLATFORM_WIN32_NT) or (Lo(GetVersion) < 5) then begin
-    Result := ERROR_INVALID_FUNCTION;
-    Exit;
-  end;
-
   AdvApiHandle := GetModuleHandle(advapi32);
   GetNamedSecurityInfoW := GetProcAddress(AdvApiHandle, PAnsiChar('GetNamedSecurityInfoW'));
   SetNamedSecurityInfoW := GetProcAddress(AdvApiHandle, PAnsiChar('SetNamedSecurityInfoW'));
@@ -122,63 +82,52 @@ begin
     Exit;
   end;
 
-  {$IFNDEF UNICODE}
-  WideObjectName := AllocWideCharStr(ObjectName);
+  ExplicitAccess := nil;
+  Result := GetNamedSecurityInfoW(PChar(ObjectName), ObjectType,
+    DACL_SECURITY_INFORMATION, nil, nil, @Dacl, nil, SD);
+  if Result <> ERROR_SUCCESS then
+    Exit;
   try
-  {$ENDIF}
-    ExplicitAccess := nil;
-    Result := GetNamedSecurityInfoW(
-      {$IFDEF UNICODE} PChar(ObjectName) {$ELSE} WideObjectName {$ENDIF},
-      ObjectType, DACL_SECURITY_INFORMATION, nil, nil, @Dacl, nil, SD);
+    { Note: Dacl will be nil if GetNamedSecurityInfo is called on a FAT partition.
+      Be careful not to dereference a nil pointer. }
+    ExplicitAccess := AllocMem(EntryCount * SizeOf(ExplicitAccess[0]));
+    E := @Entries;
+    for I := 0 to EntryCount-1 do begin
+      if not AllocateAndInitializeSid(E.Sid.Authority, E.Sid.SubAuthCount,
+         E.Sid.SubAuth[0], E.Sid.SubAuth[1], 0, 0, 0, 0, 0, 0, Sid) then begin
+        Result := GetLastError;
+        if Result = ERROR_SUCCESS then  { just in case... }
+          Result := ERROR_INVALID_PARAMETER;
+        Exit;
+      end;
+      ExplicitAccess[I].grfAccessPermissions := E.AccessMask;
+      ExplicitAccess[I].grfAccessMode := GRANT_ACCESS;
+      ExplicitAccess[I].grfInheritance := Inheritance;
+      ExplicitAccess[I].Trustee.TrusteeForm := TRUSTEE_IS_SID;
+      ExplicitAccess[I].Trustee.TrusteeType := TRUSTEE_IS_UNKNOWN;
+      PSID(ExplicitAccess[I].Trustee.ptstrName) := Sid;
+      Inc(E);
+    end;
+    Result := SetEntriesInAclW(EntryCount, ExplicitAccess[0], Dacl, NewDacl);
     if Result <> ERROR_SUCCESS then
       Exit;
     try
-      { Note: Dacl will be nil if GetNamedSecurityInfo is called on a FAT partition.
-        Be careful not to dereference a nil pointer. }
-      ExplicitAccess := AllocMem(EntryCount * SizeOf(ExplicitAccess[0]));
-      E := @Entries;
-      for I := 0 to EntryCount-1 do begin
-        if not AllocateAndInitializeSid(E.Sid.Authority, E.Sid.SubAuthCount,
-           E.Sid.SubAuth[0], E.Sid.SubAuth[1], 0, 0, 0, 0, 0, 0, Sid) then begin
-          Result := GetLastError;
-          if Result = ERROR_SUCCESS then  { just in case... }
-            Result := ERROR_INVALID_PARAMETER;
-          Exit;
-        end;
-        ExplicitAccess[I].grfAccessPermissions := E.AccessMask;
-        ExplicitAccess[I].grfAccessMode := GRANT_ACCESS;
-        ExplicitAccess[I].grfInheritance := Inheritance;
-        ExplicitAccess[I].Trustee.TrusteeForm := TRUSTEE_IS_SID;
-        ExplicitAccess[I].Trustee.TrusteeType := TRUSTEE_IS_UNKNOWN;
-        PSID(ExplicitAccess[I].Trustee.ptstrName) := Sid;
-        Inc(E);
-      end;
-      Result := SetEntriesInAclW(EntryCount, ExplicitAccess[0], Dacl, NewDacl);
-      if Result <> ERROR_SUCCESS then
-        Exit;
-      try
-        Result := SetNamedSecurityInfoW(
-          {$IFDEF UNICODE} PChar(ObjectName) {$ELSE} WideObjectName {$ENDIF},
-          ObjectType, DACL_SECURITY_INFORMATION, nil, nil, NewDacl, nil);
-      finally
-        LocalFree(HLOCAL(NewDacl));
-      end;
+      Result := SetNamedSecurityInfoW(PChar(ObjectName), ObjectType,
+        DACL_SECURITY_INFORMATION, nil, nil, NewDacl, nil);
     finally
-      if Assigned(ExplicitAccess) then begin
-        for I := EntryCount-1 downto 0 do begin
-          Sid := PSID(ExplicitAccess[I].Trustee.ptstrName);
-          if Assigned(Sid) then
-            FreeSid(Sid);
-        end;
-        FreeMem(ExplicitAccess);
-      end;
-      LocalFree(HLOCAL(SD));
+      LocalFree(HLOCAL(NewDacl));
     end;
-  {$IFNDEF UNICODE}
   finally
-    FreeMem(WideObjectName);
+    if Assigned(ExplicitAccess) then begin
+      for I := EntryCount-1 downto 0 do begin
+        Sid := PSID(ExplicitAccess[I].Trustee.ptstrName);
+        if Assigned(Sid) then
+          FreeSid(Sid);
+      end;
+      FreeMem(ExplicitAccess);
+    end;
+    LocalFree(HLOCAL(SD));
   end;
-  {$ENDIF}
 end;
 
 function GrantPermission(const Use64BitHelper: Boolean; const ObjectType: DWORD;
@@ -210,8 +159,7 @@ const
 function GrantPermissionOnFile(const DisableFsRedir: Boolean; Filename: String;
   const Entries: TGrantPermissionEntry; const EntryCount: Integer): Boolean;
 { Grants the specified access to the specified file/directory. Returns True if
-  successful. On failure, the thread's last error code is set. Always fails on
-  Windows 9x/Me and NT 4.0. }
+  successful. On failure, the thread's last error code is set. }
 const
   SE_FILE_OBJECT = 1;
 var
@@ -239,8 +187,7 @@ function GrantPermissionOnKey(const RegView: TRegView; const RootKey: HKEY;
   const Subkey: String; const Entries: TGrantPermissionEntry;
   const EntryCount: Integer): Boolean;
 { Grants the specified access to the specified registry key. Returns True if
-  successful. On failure, the thread's last error code is set. Always fails on
-  Windows 9x/Me and NT 4.0. }
+  successful. On failure, the thread's last error code is set. }
 const
   SE_REGISTRY_KEY = 4;
 var

Projects/SelFolderForm.pas

@@ -2,13 +2,11 @@ unit SelFolderForm;
 
 {
   Inno Setup
-  Copyright (C) 1997-2004 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   "Select Folder" form
-
-  $jrsoftware: issrc/Projects/SelFolderForm.pas,v 1.15 2010/10/22 10:33:26 mlaan Exp $
 }
 
 interface
@@ -60,14 +58,10 @@ begin
     Form.NewFolderButton.Visible := not AppendDir and (NewFolderName <> '');
     if StartMenu then begin
       with Form.FFolderTreeView as TStartMenuFolderTreeView do
-        if IsNT then
-          SetPaths(GetShellFolder(False, sfPrograms),
-            GetShellFolder(True, sfPrograms),
-            GetShellFolder(False, sfStartup),
-            GetShellFolder(True, sfStartup))
-        else
-          SetPaths(GetShellFolder(False, sfPrograms),
-            '', GetShellFolder(False, sfStartup), '');
+        SetPaths(GetShellFolder(False, sfPrograms),
+          GetShellFolder(True, sfPrograms),
+          GetShellFolder(False, sfStartup),
+          GetShellFolder(True, sfStartup));
       TidyUpGroupName(Path);
     end
     else

Projects/SelLangForm.pas

@@ -42,24 +42,6 @@ uses
 
 {$R *.DFM}
 
-var
-  DefComboWndProcW, PrevComboWndProc: Pointer;
-
-function NewComboWndProc(Wnd: HWND; Msg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT;
-stdcall;
-begin
-  case Msg of
-    { CB_ADDSTRING must pass to the default Unicode combo box window procedure
-      since PrevWndProc is an ANSI window procedure and calling it would result
-      in Unicode->ANSI conversion. Do the same for CB_GETLBTEXT(LEN) so that
-      MSAA sees Unicode strings. }
-    CB_ADDSTRING, CB_GETLBTEXT, CB_GETLBTEXTLEN:
-      Result := CallWindowProcW(DefComboWndProcW, Wnd, Msg, wParam, lParam)
-  else
-    Result := CallWindowProcW(PrevComboWndProc, Wnd, Msg, wParam, lParam);
-  end;
-end;
-
 function AskForLanguage: Boolean;
 { Creates and shows the "Select Language" dialog. Returns True and activates
   the selected language if the user clicks OK, or False otherwise. }
@@ -67,47 +49,13 @@ var
   LangForm: TSelectLanguageForm;
   I, J: Integer;
   LangEntry: PSetupLanguageEntry;
-{$IFNDEF UNICODE}
-  ClassInfo: TWndClassW;
-  N: String;
-{$ENDIF}
 begin
   LangForm := TSelectLanguageForm.Create(Application);
   try
-{$IFNDEF UNICODE}
-    { On NT, make it possible to add Unicode strings to our ANSI combo box by
-      installing a window procedure with special CB_ADDSTRING handling.
-      Yeah, this is a hack; it's too hard to create a native Unicode control
-      in Delphi. }
-    if Win32Platform = VER_PLATFORM_WIN32_NT then begin
-      if GetClassInfoW(0, 'COMBOBOX', ClassInfo) then begin
-        DefComboWndProcW := ClassInfo.lpfnWndProc;
-        Longint(PrevComboWndProc) := SetWindowLongW(LangForm.LangCombo.Handle,
-          GWL_WNDPROC, Longint(@NewComboWndProc));
-      end;
-    end;
-{$ENDIF}
-
     for I := 0 to Entries[seLanguage].Count-1 do begin
       LangEntry := Entries[seLanguage][I];
-{$IFDEF UNICODE}
       J := LangForm.LangCombo.Items.Add(LangEntry.LanguageName);
       LangForm.LangCombo.Items.Objects[J] := TObject(I);
-{$ELSE}
-      if (I = ActiveLanguage) or (LangEntry.LanguageCodePage = 0) or
-         (LangEntry.LanguageCodePage = GetACP) or
-         (shShowUndisplayableLanguages in SetupHeader.Options) then begin
-        { Note: LanguageName is Unicode }
-        N := LangEntry.LanguageName + #0#0;  { need wide null! }
-        if Win32Platform = VER_PLATFORM_WIN32_NT then
-          J := SendMessageW(LangForm.LangCombo.Handle, CB_ADDSTRING, 0,
-            Longint(PWideChar(Pointer(N))))
-        else
-          J := LangForm.LangCombo.Items.Add(WideCharToString(PWideChar(Pointer(N))));
-        if J >= 0 then
-          LangForm.LangCombo.Items.Objects[J] := TObject(I);
-      end;
-{$ENDIF}
     end;
 
    { If there's multiple languages, select the previous language, if available }
@@ -150,9 +98,7 @@ constructor TSelectLanguageForm.Create(AOwner: TComponent);
 begin
   inherited;
 
-{$IFDEF IS_D7}
   MainPanel.ParentBackground := False;
-{$ENDIF}
 
   InitializeFont;
 

Projects/Setup.dpr

@@ -2,7 +2,7 @@ program Setup;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -82,7 +82,8 @@ uses
   RestartManager in '..\Components\RestartManager.pas',
   Resample in '..\Components\Resample.pas',
   dwTaskbarList in '..\Components\dwTaskbarList.pas',
-  ASMInline in '..\Components\ASMInline.pas';
+  ASMInline in '..\Components\ASMInline.pas',
+  TaskbarProgressFunc in 'TaskbarProgressFunc.pas';
 
 {$SetPEFlags IMAGE_FILE_RELOCS_STRIPPED}
 {$SETPEOSVERSION 6.1}
@@ -148,8 +149,7 @@ begin
       end;
     WM_ENDSESSION: begin
         { Should only get here if RestartInitiatedByThisProcess is set or an
-          Uninstaller shutdown was allowed, or if the user forced a shutdown
-          on Vista or newer.
+          Uninstaller shutdown was allowed, or if the user forced a shutdown.
           Skip the default handling which calls Halt. No code of ours depends
           on the Halt call to clean up, and it could theoretically result in
           obscure reentrancy bugs.
@@ -170,7 +170,6 @@ begin
           AcceptedQueryEndSessionInProgress := False;
         Result := True;
       end;
-{$IFDEF IS_D12}
     WM_STYLECHANGING: begin
         { On Delphi 2009, we must suppress some of the VCL's manipulation of
           the application window styles in order to prevent the taskbar button
@@ -194,7 +193,6 @@ begin
             PStyleStruct(Message.LParam).styleNew and not WS_EX_APPWINDOW;
         end;
       end;
-{$ENDIF}
   end;
 end;
 
@@ -202,8 +200,6 @@ procedure DisableWindowGhosting;
 var
   Proc: procedure; stdcall;
 begin
-  { Note: The documentation claims this function is only available in XP SP1,
-    but it's actually available on stock XP too. }
   Proc := GetProcAddress(GetModuleHandle(user32), 'DisableProcessWindowsGhosting');
   if Assigned(Proc) then
     Proc;
@@ -272,13 +268,11 @@ begin
 end;
 
 begin
-{$IFDEF IS_D12}
   { Delphi 2009 initially sets WS_EX_TOOLWINDOW on the application window.
     That will prevent our ShowWindow(Application.Handle, SW_SHOW) calls from
     actually displaying the taskbar button as intended, so clear it. }
   SetWindowLong(Application.Handle, GWL_EXSTYLE,
     GetWindowLong(Application.Handle, GWL_EXSTYLE) and not WS_EX_TOOLWINDOW);
-{$ENDIF}
 
   try
     SetErrorMode(SEM_FAILCRITICALERRORS);

Projects/Setup.dproj

@@ -157,6 +157,7 @@
         <DCCReference Include="..\Components\Resample.pas"/>
         <DCCReference Include="..\Components\dwTaskbarList.pas"/>
         <DCCReference Include="..\Components\ASMInline.pas"/>
+        <DCCReference Include="TaskbarProgressFunc.pas"/>
         <BuildConfiguration Include="Base">
             <Key>Base</Key>
         </BuildConfiguration>

Projects/SetupForm.pas

@@ -2,7 +2,7 @@ unit SetupForm;
 
 {
   Inno Setup
-  Copyright (C) 1997-2019 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -42,11 +42,7 @@ type
     procedure WndProc(var Message: TMessage); override;
   public
     constructor Create(AOwner: TComponent); override;
-    {$IFNDEF IS_D4}
-    constructor CreateNew(AOwner: TComponent);
-    {$ELSE}
     constructor CreateNew(AOwner: TComponent; Dummy: Integer = 0); override;
-    {$ENDIF}
     function CalculateButtonWidth(const ButtonCaptions: array of String): Integer;
     procedure InitializeFont;
     function ScalePixelsX(const N: Integer): Integer;
@@ -302,11 +298,7 @@ begin
     Position := poDesigned;
 end;
 
-{$IFNDEF IS_D4}
-constructor TSetupForm.CreateNew(AOwner: TComponent);
-{$ELSE}
 constructor TSetupForm.CreateNew(AOwner: TComponent; Dummy: Integer = 0);
-{$ENDIF}
 begin
   { Note: On Delphi 2 and 3, CreateNew isn't virtual, so this is only reached
     when TSetupForm.CreateNew is called explicitly }

Projects/SimpleExpression.pas

@@ -2,7 +2,7 @@ unit SimpleExpression;
 
 {
   Inno Setup
-  Copyright (C) 1997-2013 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -68,24 +68,10 @@ implementation
 uses
   SysUtils;
 
-{$IFNDEF UNICODE}
-type
-  TSysCharSet = set of AnsiChar;
-function CharInSet(C: AnsiChar; const CharSet: TSysCharSet): Boolean;
-begin
-  Result := C in CharSet;
-end;
-{$ENDIF}
-
 procedure AssignStringToVarRec(var VarRec: TVarRec; const S: String);
 begin
-{$IFDEF UNICODE}
   VarRec.VType := vtUnicodeString;
   UnicodeString(VarRec.VUnicodeString) := S;
-{$ELSE}
-  VarRec.VType := vtAnsiString;
-  AnsiString(VarRec.VAnsiString) := S;
-{$ENDIF}
 end;
 
 {---}
@@ -252,7 +238,7 @@ begin
       Result := True; { Lazy and in lazy branch, just return something }
   finally
     for I := High(Parameters) downto Low(Parameters) do
-      if Parameters[I].VType = {$IFDEF UNICODE} vtUnicodeString {$ELSE} vtAnsiString {$ENDIF} then
+      if Parameters[I].VType = vtUnicodeString then
         AssignStringToVarRec(Parameters[I], '');
   end
 end;

Projects/SpawnClient.pas

@@ -2,7 +2,7 @@ unit SpawnClient;
 
 {
   Inno Setup
-  Copyright (C) 1997-2007 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -10,8 +10,6 @@ unit SpawnClient;
 
   NOTE: These functions are NOT thread-safe. Do not call them from multiple
   threads simultaneously.
-
-  $jrsoftware: issrc/Projects/SpawnClient.pas,v 1.5 2007/09/05 02:07:35 jr Exp $
 }
 
 interface
@@ -60,10 +58,10 @@ procedure AllowSpawnServerToSetForegroundWindow;
   normally lasts until new input is generated (a keystroke or click, not
   simply mouse movement).
   Note: If the spawn server process has no visible windows, it seems this
-  isn't needed (on 2000 & Vista); the process can set the foreground window
-  as it pleases. If it does have a visible window, though, it definitely is
-  needed (e.g. in the /DebugSpawnServer case). Let's not rely on any
-  undocumented behavior and call AllowSetForegroundWindow unconditionally. }
+  isn't needed; the process can set the foreground window as it pleases.
+  If it does have a visible window, though, it definitely is needed (e.g. in
+  the /DebugSpawnServer case). Let's not rely on any undocumented behavior and
+  call AllowSetForegroundWindow unconditionally. }
 var
   PID: DWORD;
   AllowSetForegroundWindowFunc: function(dwProcessId: DWORD): BOOL; stdcall;

Projects/SpawnServer.pas

@@ -2,13 +2,11 @@ unit SpawnServer;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   Spawn server
-
-  $jrsoftware: issrc/Projects/SpawnServer.pas,v 1.13 2010/04/17 19:30:25 jr Exp $
 }
 
 interface
@@ -102,89 +100,6 @@ begin
   end;
 end;
 
-type
-  TOSVersionInfoExW = record
-    dwOSVersionInfoSize: DWORD;
-    dwMajorVersion: DWORD;
-    dwMinorVersion: DWORD;
-    dwBuildNumber: DWORD;
-    dwPlatformId: DWORD;
-    szCSDVersion: array[0..127] of WideChar;
-    wServicePackMajor: Word;
-    wServicePackMinor: Word;
-    wSuiteMask: Word;
-    wProductType: Byte;
-    wReserved: Byte;
-  end;
-const
-  VER_MINORVERSION     = $0000001;
-  VER_MAJORVERSION     = $0000002;
-  VER_SERVICEPACKMINOR = $0000010;
-  VER_SERVICEPACKMAJOR = $0000020;
-  VER_GREATER_EQUAL    = 3;
-var
-  VerSetConditionMaskFunc, VerifyVersionInfoWFunc: Pointer;
-
-{ These are implemented in asm because Delphi 2 doesn't support functions that
-  take 64-bit parameters or return a 64-bit result (in EDX:EAX) }
-
-procedure CallVerSetConditionMask(var dwlConditionMask: Integer64;
-  dwTypeBitMask: DWORD; dwConditionMask: DWORD);
-asm
-  push  esi
-  mov   esi, eax                 // ESI = @dwlConditionMask
-  push  ecx                      // dwConditionMask
-  push  edx                      // dwTypeBitMask
-  push  dword ptr [esi+4]        // dwlConditionMask.Hi
-  push  dword ptr [esi]          // dwlConditionMask.Lo
-  call  VerSetConditionMaskFunc
-  mov   dword ptr [esi], eax     // write dwlConditionMask.Lo
-  mov   dword ptr [esi+4], edx   // write dwlConditionMask.Hi
-  pop   esi
-end;
-
-function CallVerifyVersionInfoW(const lpVersionInfo: TOSVersionInfoExW;
-  dwTypeMask: DWORD; const dwlConditionMask: Integer64): BOOL;
-asm
-  push  dword ptr [ecx+4]        // dwlConditionMask.Hi
-  push  dword ptr [ecx]          // dwlConditionMask.Lo
-  push  edx                      // dwTypeMask
-  push  eax                      // lpVersionInfo
-  call  VerifyVersionInfoWFunc
-end;
-
-function IsReallyVista: Boolean;
-{ Returns True if the OS is *really* Vista or later. VerifyVersionInfo is used
-  because it appears to always check the true OS version number, whereas
-  GetVersion(Ex) can return a fake version number (e.g. 5.x) if the program is
-  set to run in compatibility mode, or if it is started by a program running
-  in compatibility mode. }
-var
-  ConditionMask: Integer64;
-  VerInfo: TOSVersionInfoExW;
-begin
-  Result := False;
-  { These functions are present on Windows 2000 and later.
-    NT 4.0 SP6 has VerifyVersionInfoW, but not VerSetConditionMask.
-    Windows 9x/Me and early versions of NT 4.0 have neither. }
-  if Assigned(VerSetConditionMaskFunc) and Assigned(VerifyVersionInfoWFunc) then begin
-    ConditionMask.Lo := 0;
-    ConditionMask.Hi := 0;
-    { Docs say: "If you are testing the major version, you must also test the
-      minor version and the service pack major and minor versions." }
-    CallVerSetConditionMask(ConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
-    CallVerSetConditionMask(ConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
-    CallVerSetConditionMask(ConditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
-    CallVerSetConditionMask(ConditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
-    FillChar(VerInfo, SizeOf(VerInfo), 0);
-    VerInfo.dwOSVersionInfoSize := SizeOf(VerInfo);
-    VerInfo.dwMajorVersion := 6;
-    Result := CallVerifyVersionInfoW(VerInfo, VER_MAJORVERSION or
-      VER_MINORVERSION or VER_SERVICEPACKMAJOR or VER_SERVICEPACKMINOR,
-      ConditionMask);
-  end;
-end;
-
 const
   TokenElevationTypeDefault = 1;  { User does not have a split token (they're
                                     not an admin, or UAC is turned off) }
@@ -194,7 +109,7 @@ const
 
 function GetTokenElevationType: DWORD;
 { Returns token elevation type (TokenElevationType* constant). In case of
-  failure (e.g. not running Vista), 0 is returned. }
+  failure, 0 is returned. }
 const
   TokenElevationType = 18;
 var
@@ -203,11 +118,9 @@ var
   ReturnLength: DWORD;
 begin
   Result := 0;
-  if OpenProcessToken(GetCurrentProcess, TOKEN_QUERY,
-     {$IFNDEF Delphi3orHigher} @ {$ENDIF} Token) then begin
+  if OpenProcessToken(GetCurrentProcess, TOKEN_QUERY, Token) then begin
     ElevationType := 0;
-    if GetTokenInformation(Token,
-       {$IFDEF Delphi3orHigher} TTokenInformationClass {$ENDIF} (TokenElevationType),
+    if GetTokenInformation(Token, TTokenInformationClass(TokenElevationType),
        @ElevationType, SizeOf(ElevationType), ReturnLength) then
       Result := ElevationType;
     CloseHandle(Token);
@@ -221,7 +134,7 @@ var
   ElevationType: DWORD;
 begin
   Result := False;
-  if IsReallyVista and not IsAdminLoggedOn then begin
+  if not IsAdminLoggedOn then begin
     if ARequireAdministrator then
       Result := True
     else if AEmulateHighestAvailable then begin
@@ -240,15 +153,14 @@ end;
 {$ELSE}
 begin
   { For debugging/testing only: }
-  Result := (Lo(GetVersion) >= 5);
+  Result := True;
 end;
 {$ENDIF}
 
 function GetFinalFileName(const Filename: String): String;
-{ Calls GetFinalPathNameByHandle (new API in Vista) to expand any SUBST'ed
-  drives, network drives, and symbolic links in Filename.
-  This is needed for elevation to succeed on Windows Vista/7 when Setup is
-  started from a SUBST'ed drive letter. }
+{ Calls GetFinalPathNameByHandle to expand any SUBST'ed drives, network drives,
+  and symbolic links in Filename. This is needed for elevation to succeed when
+  Setup is started from a SUBST'ed drive letter. }
 
   function ConvertToNormalPath(P: PChar): String;
   begin
@@ -267,8 +179,7 @@ function GetFinalFileName(const Filename: String): String;
 const
   FILE_SHARE_DELETE = $00000004;
 var
-  GetFinalPathNameByHandleFunc: function(hFile: THandle;
-    lpszFilePath: {$IFDEF UNICODE} PWideChar {$ELSE} PAnsiChar {$ENDIF};
+  GetFinalPathNameByHandleFunc: function(hFile: THandle; lpszFilePath: PWideChar;
     cchFilePath: DWORD; dwFlags: DWORD): DWORD; stdcall;
   Attr, FlagsAndAttributes: DWORD;
   H: THandle;
@@ -276,11 +187,7 @@ var
   Buf: array[0..4095] of Char;
 begin
   GetFinalPathNameByHandleFunc := GetProcAddress(GetModuleHandle(kernel32),
-    {$IFDEF UNICODE}
-      'GetFinalPathNameByHandleW'
-    {$ELSE}
-      'GetFinalPathNameByHandleA'
-    {$ENDIF} );
+    'GetFinalPathNameByHandleW');
   if Assigned(GetFinalPathNameByHandleFunc) then begin
     Attr := GetFileAttributes(PChar(Filename));
     if Attr <> $FFFFFFFF then begin
@@ -326,15 +233,13 @@ procedure RespawnSelfElevated(const AExeFilename, AParams: String;
 { Spawns a new process using the "runas" verb.
   Notes:
   1. Despite the function's name, the spawned process may not actually be
-     elevated / running as administrator on Vista. If UAC is disabled, "runas"
+     elevated / running as administrator. If UAC is disabled, "runas"
      behaves like "open". Also, if a non-admin user is a member of a special
      system group like Backup Operators, they can select their own user account
      at a UAC dialog. Therefore, it is critical that the caller include some
      kind of protection against respawning more than once.
-  2. If AExeFilename is on a network drive, Vista's ShellExecuteEx function is
-     smart enough to substitute it with a UNC path. XP does not do this, which
-     causes the function to fail with ERROR_PATH_NOT_FOUND because the new
-     user doesn't retain the original user's drive mappings. }
+  2. If AExeFilename is on a network drive, the ShellExecuteEx function is
+     smart enough to substitute it with a UNC path. }
 const
   SEE_MASK_NOZONECHECKS = $00800000;
 var
@@ -547,10 +452,4 @@ begin
   end;
 end;
 
-var
-  Kernel32Handle: HMODULE;
-initialization
-  Kernel32Handle := GetModuleHandle(kernel32);
-  VerSetConditionMaskFunc := GetProcAddress(Kernel32Handle, 'VerSetConditionMask');
-  VerifyVersionInfoWFunc := GetProcAddress(Kernel32Handle, 'VerifyVersionInfoW');
 end.

Projects/Struct.pas

@@ -2,7 +2,7 @@ unit Struct;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -33,10 +33,10 @@ const
     this file it's recommended you change SetupID. Any change will do (like
     changing the letters or numbers), as long as your format is
     unrecognizable by the standard Inno Setup. }
-  SetupID: TSetupID = 'Inno Setup Setup Data (6.1.0)'{$IFDEF UNICODE}+' (u)'{$ENDIF};
+  SetupID: TSetupID = 'Inno Setup Setup Data (6.3.0)';
   UninstallLogID: array[Boolean] of TUninstallLogID =
     ('Inno Setup Uninstall Log (b)', 'Inno Setup Uninstall Log (b) 64-bit');
-  MessagesHdrID: TMessagesHdrID = 'Inno Setup Messages (6.0.0)'{$IFDEF UNICODE}+' (u)'{$ENDIF};
+  MessagesHdrID: TMessagesHdrID = 'Inno Setup Messages (6.0.0) (u)';
   MessagesLangOptionsID: TMessagesLangOptionsID = '!mlo!001';
   ZLIBID: TCompID = 'zlb'#26;
   DiskSliceID: TDiskSliceID = 'idska32'#26;
@@ -61,8 +61,7 @@ type
     shAllowUNCPath, shUserInfoPage, shUsePreviousUserInfo,
     shUninstallRestartComputer, shRestartIfNeededByRun, shShowTasksTreeLines,
     shAllowCancelDuringInstall, shWizardImageStretch, shAppendDefaultDirName,
-    shAppendDefaultGroupName, shEncryptionUsed,
-    {$IFNDEF UNICODE}shShowUndisplayableLanguages, {$ENDIF}shSetupLogging,
+    shAppendDefaultGroupName, shEncryptionUsed, shSetupLogging,
     shSignedUninstaller, shUsePreviousLanguage, shDisableWelcomePage,
     shCloseApplications, shRestartApplications, shAllowNetworkDrive,
     shForceCloseApplications, shAppNameHasConsts, shUsePreviousPrivileges,
@@ -94,9 +93,6 @@ type
       AppModifyPath, CreateUninstallRegKey, Uninstallable, CloseApplicationsFilter,
       SetupMutex, ChangesEnvironment, ChangesAssociations: String;
     LicenseText, InfoBeforeText, InfoAfterText, CompiledCodeText: AnsiString;
-{$IFNDEF UNICODE}
-    LeadBytes: set of AnsiChar;
-{$ENDIF}
     NumLanguageEntries, NumCustomMessageEntries, NumPermissionEntries,
       NumTypeEntries, NumComponentEntries, NumTaskEntries, NumDirEntries,
       NumFileEntries, NumFileLocationEntries, NumIconEntries, NumIniEntries,
@@ -137,13 +133,10 @@ const
 type
   PSetupLanguageEntry = ^TSetupLanguageEntry;
   TSetupLanguageEntry = packed record
-{$IFNDEF UNICODE}
-    { Note: LanguageName is Unicode }
-{$ENDIF}
     Name, LanguageName, DialogFontName, TitleFontName, WelcomeFontName,
       CopyrightFontName: String;
     Data, LicenseText, InfoBeforeText, InfoAfterText: AnsiString;
-    LanguageID{$IFNDEF UNICODE}, LanguageCodePage{$ENDIF}: Cardinal;
+    LanguageID: Cardinal;
     DialogFontSize: Integer;
     TitleFontSize: Integer;
     WelcomeFontSize: Integer;
@@ -278,7 +271,7 @@ type
     CloseOnExit: TSetupIconCloseOnExit;
     HotKey: Word;
     Options: set of (ioUninsNeverUninstall, ioCreateOnlyIfFileExists,
-      ioUseAppPaths, ioFolderShortcut, ioExcludeFromShowInNewInstall,
+      ioUseAppPaths, ioExcludeFromShowInNewInstall,
       ioPreventPinning, ioHasAppUserModelToastActivatorCLSID);
   end;
 const

Projects/TaskbarProgressFunc.pas

@@ -2,13 +2,11 @@ unit TaskbarProgressFunc;
 
 {
   Inno Setup
-  Copyright (C) 1997-2010 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   Wrappers for ITaskbarList3.SetProgressState & SetProgressValue
-
-  $jrsoftware: issrc/Projects/TaskbarProgressFunc.pas,v 1.1 2010/10/29 01:48:45 jr Exp $
 }
 
 interface
@@ -23,7 +21,7 @@ procedure SetAppTaskbarProgressValue(const Completed, Total: Cardinal);
 implementation
 
 uses
-  Windows, {$IFDEF VER90} OLE2 {$ELSE} ActiveX {$ENDIF}, Forms, dwTaskbarList;
+  Windows, ActiveX, Forms, dwTaskbarList;
 
 var
   TaskbarListInitialized: Boolean;
@@ -31,20 +29,15 @@ var
 
 function InitializeTaskbarList: Boolean;
 var
-  WinVer: Word;
   Intf: ITaskbarList3;
 begin
   if not TaskbarListInitialized then begin
-    WinVer := Swap(Word(GetVersion()));
-    if WinVer >= $0601 then
-      if CoCreateInstance(CLSID_TaskbarList, nil, CLSCTX_INPROC_SERVER, IID_TaskbarList3, Intf) = S_OK then
-        if Intf.HrInit = S_OK then begin
-          {$IFNDEF VER90}
-          { Safety: don't allow the instance to be destroyed at shutdown }
-          Intf._AddRef;
-          {$ENDIF}
-          TaskbarListInterface := Intf;
-        end;
+    if CoCreateInstance(CLSID_TaskbarList, nil, CLSCTX_INPROC_SERVER, IID_TaskbarList3, Intf) = S_OK then
+      if Intf.HrInit = S_OK then begin
+        { Safety: don't allow the instance to be destroyed at shutdown }
+        Intf._AddRef;
+        TaskbarListInterface := Intf;
+      end;
     TaskbarListInitialized := True;
   end;
   Result := Assigned(TaskbarListInterface);

Projects/UIStateForm.pas

@@ -2,15 +2,13 @@ unit UIStateForm;
 
 {
   Inno Setup
-  Copyright (C) 1997-2004 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
   TUIStateForm, a TForm descendant which correctly handles the hiding of
-  accelerator key characters and focus rectangles on Windows 2000 and later
-  when the "Hide keyboard navigation indicators" option is enabled.
-
-  $jrsoftware: issrc/Projects/UIStateForm.pas,v 1.2 2004/06/26 04:36:08 jr Exp $
+  accelerator key characters and focus rectangles when the
+  "Hide keyboard navigation indicators" option is enabled.
 }
 
 interface

Projects/Undo.pas

@@ -2,7 +2,7 @@ unit Undo;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -19,16 +19,13 @@ uses
   Windows, SysUtils, Int64Em, FileClass, CmnFunc2;
 
 const
-  HighestSupportedVersion = 48 {$IFDEF UNICODE} + 1000{$ENDIF};
+  HighestSupportedVersion = 1048;
   { Each time the format of the uninstall log changes (usually a new entry type
     is added), HighestSupportedVersion and the file version number of Setup
     are incremented to match (51.x). Do NOT do this yourself; doing so could cause
     incompatibilities with future Inno Setup releases. It's recommended that you
     use the "utUserDefined" log entry type if you wish to implement your own
-    custom uninstall log entries; see below for more information.
-
-    Note: the non Unicode HighestSupportedVersion may never become greater than
-    or equal to 1000. }
+    custom uninstall log entries; see below for more information. }
 
 type
   TUninstallRecTyp = type Word;
@@ -301,10 +298,7 @@ begin
         DirsNotRemoved.AddIfDoesntExist(DirsNotRemovedPrefix[DisableFsRedir] + DirName);
       end
       else if Assigned(RestartDeleteDirList) and
-         ListContainsPathOrSubdir(RestartDeleteDirList, DirName) and
-         (Win32Platform = VER_PLATFORM_WIN32_NT) then begin
-        { Note: This code is NT-only; I don't think it's possible to
-          restart-delete directories on Windows 9x. }
+         ListContainsPathOrSubdir(RestartDeleteDirList, DirName) then begin
         LogFmt('Failed to delete directory (%d). Will delete on restart (if empty).',
           [LastError]);
         LoggedRestartDeleteDir(DisableFsRedir, DirName);
@@ -378,39 +372,19 @@ procedure TUninstallLog.Add(const Typ: TUninstallRecTyp; const Data: array of St
 var
   I, L: Integer;
   S, X: AnsiString;
-{$IFDEF UNICODE}
   AData: AnsiString;
-{$ENDIF}
   NewRec: PUninstallRec;
 begin
   for I := 0 to High(Data) do begin
     L := Length(Data[I])*SizeOf(Data[I][1]);
 
-{$IFNDEF UNICODE}
-    if L < $FD then
-      S := S + AnsiChar(L)
-    else if L <= $FFFF then begin
-      SetLength(X, SizeOf(Byte) + SizeOf(Word));
-      X[1] := AnsiChar($FD);
-      Word((@X[2])^) := Word(L);
-      S := S + X;
-    end
-    else begin
-{$ENDIF}
-      SetLength(X, SizeOf(Byte) + SizeOf(Integer));
-      X[1] := AnsiChar($FE);
-      Integer((@X[2])^) := Integer({$IFDEF UNICODE}-{$ENDIF}L);
-      S := S + X;
-{$IFNDEF UNICODE}
-    end;
-{$ENDIF}
+    SetLength(X, SizeOf(Byte) + SizeOf(Integer));
+    X[1] := AnsiChar($FE);
+    Integer((@X[2])^) := Integer(-L);
+    S := S + X;
 
-{$IFDEF UNICODE}
     SetString(AData, PAnsiChar(Pointer(Data[I])), L);
     S := S + AData;
-{$ELSE}
-    S := S + Data[I];
-{$ENDIF}
   end;
   S := S + AnsiChar($FF);
 
@@ -422,12 +396,6 @@ begin
 
   if Version < HighestSupportedVersion then
     Version := HighestSupportedVersion;
-{$IFNDEF UNICODE}
-  { If the version is in Unicode range, bump it there too if needed. }
-  if (Version >= 1000) and
-     (Version < 1000 + HighestSupportedVersion) then
-    Version := 1000 + HighestSupportedVersion;
-{$ENDIF}
 end;
 
 procedure TUninstallLog.AddReg(const Typ: TUninstallRecTyp;
@@ -537,13 +505,8 @@ begin
       $FF: Break;
     end;
     if L < 0 then begin
-{$IFDEF UNICODE}
       L := -L;
       SetString(Data[I], PChar(X), L div SizeOf(Char));
-{$ELSE}
-      { Should not be possible to get here, but check anyway for safety. }
-      InternalError('ExtractRecData: Unicode data unsupported by this build');
-{$ENDIF}
     end else
       SetString(Data[I], PAnsiChar(X), L);
     Inc(X, L);
@@ -1161,12 +1124,9 @@ class function TUninstallLog.WriteSafeHeaderString(Dest: PAnsiChar;
   #1 marker. If MaxDestBytes = 0 it returns the amount of bytes needed. }
 var
   N: Integer;
-{$IFDEF UNICODE}
   I: Integer;
-{$ENDIF}
 begin
   N := Length(Source);
-{$IFDEF UNICODE}
   { Only UTF-8-encode when non-ASCII characters are present }
   for I := 1 to N do begin
     if Ord(Source[I]) > 126 then begin
@@ -1179,7 +1139,6 @@ begin
       Exit;
     end;
   end;
-{$ENDIF}
   if MaxDestBytes <> 0 then
     AnsiStrings.StrPLCopy(Dest, AnsiString(Source), MaxDestBytes - 1);
   Result := (N + 1) * SizeOf(Dest^);
@@ -1187,14 +1146,10 @@ end;
 
 class function TUninstallLog.ReadSafeHeaderString(const Source: AnsiString): String;
 begin
-{$IFDEF UNICODE}
   if (Source <> '') and (Source[1] = #1) then
     Result := UTF8ToString(Copy(Source, 2, Maxint))
   else
     Result := String(Source);
-{$ELSE}
-  Result := Source;
-{$ENDIF}
 end;
 
 procedure TUninstallLog.Save(const Filename: String;

Projects/UninstProgressForm.pas

@@ -2,7 +2,7 @@ unit UninstProgressForm;
 
 {
   Inno Setup
-  Copyright (C) 1997-2019 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -106,9 +106,7 @@ begin
 
   InitializeFont;
 
-{$IFDEF IS_D7}
   MainPanel.ParentBackGround := False;
-{$ENDIF}
 
   PageNameLabel.Font.Style := [fsBold];
   PageNameLabel.Caption := SetupMessages[msgWizardUninstalling];

Projects/Uninstall.pas

@@ -2,7 +2,7 @@ unit Uninstall;
 
 {
   Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -48,9 +48,6 @@ var
   LogFilename: String;
   InitialProcessWnd, FirstPhaseWnd, DebugWnd: HWND;
   OldWindowProc: Pointer;
-{$IFNDEF UNICODE}
-  UninstLeadBytes: set of Char;
-{$ENDIF}
 
 procedure ShowExceptionMsg;
 var
@@ -472,11 +469,7 @@ end;
 
 function ExtractCompiledCodeText(S: String): AnsiString;
 begin
-{$IFDEF UNICODE}
   SetString(Result, PAnsiChar(Pointer(S)), Length(S)*SizeOf(S[1]));
-{$ELSE}
-  Result := S;
-{$ENDIF}
 end;
 
 procedure RunSecondPhase;
@@ -494,7 +487,7 @@ begin
     SetTaskbarButtonVisibility(False);
 
   RestartSystem := False;
-  AllowUninstallerShutdown := (WindowsVersion shr 16 >= $0600);
+  AllowUninstallerShutdown := True;
 
   try
     if DebugWnd <> 0 then
@@ -552,21 +545,13 @@ begin
     UninstDataFile := OpenUninstDataFile(faReadWrite);
 
     if not UninstLog.ExtractLatestRecData(utCompiledCode,
-         SetupBinVersion {$IFDEF UNICODE} or Longint($80000000) {$ENDIF}, CompiledCodeData) then
+         SetupBinVersion or Longint($80000000), CompiledCodeData) then
       InternalError('Cannot find utCompiledCode record for this version of the uninstaller');
     if DebugWnd <> 0 then
       CompiledCodeText := DebugClientCompiledCodeText
     else
       CompiledCodeText := ExtractCompiledCodeText(CompiledCodeData[0]);
 
-{$IFNDEF UNICODE}
-    { Initialize ConstLeadBytes }
-    if Length(CompiledCodeData[1]) <> SizeOf(UninstLeadBytes) then
-      InternalError('utCompiledCode[1] is invalid');
-    Move(Pointer(CompiledCodeData[1])^, UninstLeadBytes, SizeOf(UninstLeadBytes));
-    ConstLeadBytes := @UninstLeadBytes;
-{$ENDIF}
-
     InitializeAdminInstallMode(ufAdminInstallMode in UninstLog.Flags);
 
     { Initialize install mode }

Projects/VerInfo.pas

@@ -0,0 +1,110 @@
+unit VerInfo;
+
+{
+  Inno Setup
+  Copyright (C) 1997-2024 Jordan Russell
+  Portions by Martijn Laan
+  For conditions of distribution and use, see LICENSE.TXT.
+
+  Version info functions
+}
+
+interface
+
+uses
+  Windows, SysUtils, Int64Em;
+
+{$I VERSION.INC}
+
+type
+  TFileVersionNumbers = record
+    MS, LS: LongWord;
+  end;
+
+function GetVersionInfo(const Filename: String;
+  var VersionInfo: TVSFixedFileInfo): Boolean;
+function GetVersionNumbers(const Filename: String;
+  var VersionNumbers: TFileVersionNumbers): Boolean;
+function StrToVersionNumbers(const S: String;
+  var Version: TFileVersionNumbers): Boolean;
+
+implementation
+
+uses
+  CmnFunc2, FileClass;
+
+function GetVersionInfo(const Filename: String;
+  var VersionInfo: TVSFixedFileInfo): Boolean;
+var
+  VersionSize: Integer;
+  VersionHandle: DWORD;
+  VersionBuf: PChar;
+  VerInfo: PVSFixedFileInfo;
+  VerInfoSize: UINT;
+begin
+  Result := False;
+
+  VersionSize := GetFileVersionInfoSize(PChar(Filename), VersionHandle);
+  if VersionSize > 0 then begin
+    GetMem(VersionBuf, VersionSize);
+    try
+      if GetFileVersionInfo(PChar(Filename), VersionHandle, VersionSize, VersionBuf) then begin
+        if VerQueryValue(VersionBuf, '\', Pointer(VerInfo), VerInfoSize) then begin
+          VersionInfo := VerInfo^;
+          Result := True;
+        end;
+      end;
+    finally
+      FreeMem(VersionBuf);
+    end;
+  end;
+end;
+
+function GetVersionNumbers(const Filename: String;
+  var VersionNumbers: TFileVersionNumbers): Boolean;
+var
+  VerInfo: TVSFixedFileInfo;
+begin
+  Result := GetVersionInfo(Filename, VerInfo);
+  if Result then begin
+    VersionNumbers.MS := VerInfo.dwFileVersionMS;
+    VersionNumbers.LS := VerInfo.dwFileVersionLS;
+  end;
+end;
+
+function StrToVersionNumbers(const S: String; var Version: TFileVersionNumbers): Boolean;
+
+  function SplitNextNumber(var Z: String): Word;
+  var
+    I, N: Integer;
+  begin
+    if Trim(Z) <> '' then begin
+      I := Pos('.', Z);
+      if I = 0 then
+        I := Length(Z)+1;
+      N := StrToInt(Trim(Copy(Z, 1, I-1)));
+      if (N < Low(Word)) or (N > High(Word)) then
+        Abort;
+      Result := N;
+      Z := Copy(Z, I+1, Maxint);
+    end else
+      Result := 0;
+  end;
+
+var
+  Z: String;
+  W: Word;
+begin
+  try
+    Z := S;
+    W := SplitNextNumber(Z);
+    Version.MS := (DWord(W) shl 16) or SplitNextNumber(Z);
+    W := SplitNextNumber(Z);
+    Version.LS := (DWord(W) shl 16) or SplitNextNumber(Z);
+    Result := True;
+  except
+    Result := False;
+  end;
+end;
+
+end.

Projects/Verinfo.pas

@@ -1,250 +0,0 @@
-unit VerInfo;
-
-{
-  Inno Setup
-  Copyright (C) 1997-2020 Jordan Russell
-  Portions by Martijn Laan
-  For conditions of distribution and use, see LICENSE.TXT.
-
-  Version info functions
-}
-
-interface
-
-uses
-  Windows, SysUtils, Int64Em;
-
-{$I VERSION.INC}
-
-type
-  TFileVersionNumbers = record
-    MS, LS: LongWord;
-  end;
-
-function GetVersionInfo(const Filename: String;
-  var VersionInfo: TVSFixedFileInfo): Boolean;
-function GetVersionNumbers(const Filename: String;
-  var VersionNumbers: TFileVersionNumbers): Boolean;
-function StrToVersionNumbers(const S: String;
-  var Version: TFileVersionNumbers): Boolean;
-
-implementation
-
-uses
-  CmnFunc2, FileClass;
-
-function GetVXDVersionInfo(const Filename: String;
-  var VersionInfo: TVSFixedFileInfo): Boolean;
-{ Gets the version info from a VXD file. Returns True if successful.
-  Note: The code in this function is based on the code in the MS KB article
-  Q201685.
-  Known issue: This function fails if the version resource has a name
-  (TVXDVersionResource.cName <> $FF). It's rare, but such VXDs do exist --
-  see Windows 98's MSGAME.VXD for example. Given that as of 2007 Windows 9x
-  is mostly obsolete, I don't plan on fixing this. }
-const
-  IMAGE_DOS_SIGNATURE = $5A4D;  { MZ }
-  IMAGE_VXD_SIGNATURE = $454C;  { LE }
-type
-  PImageVXDHeader = ^TImageVXDHeader;
-  TImageVXDHeader = packed record
-    e32_magic: Word;                    // Magic number
-    e32_border: Byte;                   // The byte ordering for the VXD
-    e32_worder: Byte;                   // The word ordering for the VXD
-    e32_level: DWORD;                   // The EXE format level for now = 0
-    e32_cpu: Word;                      // The CPU type
-    e32_os: Word;                       // The OS type
-    e32_ver: DWORD;                     // Module version
-    e32_mflags: DWORD;                  // Module flags
-    e32_mpages: DWORD;                  // Module # pages
-    e32_startobj: DWORD;                // Object # for instruction pointer
-    e32_eip: DWORD;                     // Extended instruction pointer
-    e32_stackobj: DWORD;                // Object # for stack pointer
-    e32_esp: DWORD;                     // Extended stack pointer
-    e32_pagesize: DWORD;                // VXD page size
-    e32_lastpagesize: DWORD;            // Last page size in VXD
-    e32_fixupsize: DWORD;               // Fixup section size
-    e32_fixupsum: DWORD;                // Fixup section checksum
-    e32_ldrsize: DWORD;                 // Loader section size
-    e32_ldrsum: DWORD;                  // Loader section checksum
-    e32_objtab: DWORD;                  // Object table offset
-    e32_objcnt: DWORD;                  // Number of objects in module
-    e32_objmap: DWORD;                  // Object page map offset
-    e32_itermap: DWORD;                 // Object iterated data map offset
-    e32_rsrctab: DWORD;                 // Offset of Resource Table
-    e32_rsrccnt: DWORD;                 // Number of resource entries
-    e32_restab: DWORD;                  // Offset of resident name table
-    e32_enttab: DWORD;                  // Offset of Entry Table
-    e32_dirtab: DWORD;                  // Offset of Module Directive Table
-    e32_dircnt: DWORD;                  // Number of module directives
-    e32_fpagetab: DWORD;                // Offset of Fixup Page Table
-    e32_frectab: DWORD;                 // Offset of Fixup Record Table
-    e32_impmod: DWORD;                  // Offset of Import Module Name Table
-    e32_impmodcnt: DWORD;               // Number of entries in Import Module Name Table
-    e32_impproc: DWORD;                 // Offset of Import Procedure Name Table
-    e32_pagesum: DWORD;                 // Offset of Per-Page Checksum Table
-    e32_datapage: DWORD;                // Offset of Enumerated Data Pages
-    e32_preload: DWORD;                 // Number of preload pages
-    e32_nrestab: DWORD;                 // Offset of Non-resident Names Table
-    e32_cbnrestab: DWORD;               // Size of Non-resident Name Table
-    e32_nressum: DWORD;                 // Non-resident Name Table Checksum
-    e32_autodata: DWORD;                // Object # for automatic data object
-    e32_debuginfo: DWORD;               // Offset of the debugging information
-    e32_debuglen: DWORD;                // The length of the debugging info. in bytes
-    e32_instpreload: DWORD;             // Number of instance pages in preload section of VXD file
-    e32_instdemand: DWORD;              // Number of instance pages in demand load section of VXD file
-    e32_heapsize: DWORD;                // Size of heap - for 16-bit apps
-    e32_res3: array[0..11] of Byte;     // Reserved words
-    e32_winresoff: DWORD;
-    e32_winreslen: DWORD;
-    e32_devid: Word;                    // Device ID for VxD
-    e32_ddkver: Word;                   // DDK version for VxD
-  end;
-  PVXDVersionResource = ^TVXDVersionResource;
-  TVXDVersionResource = packed record
-    cType: Byte;
-    wID: Word;
-    cName: Byte;
-    wOrdinal: Word;
-    wFlags: Word;
-    dwResSize: DWORD;
-  end;
-var
-  F: TFile;
-  DosHeader: packed record
-    Sig: Word;
-    Other: array[0..57] of Byte;
-    VXDHeaderOffset: DWORD;
-  end;
-  VXDHeader: TImageVXDHeader;
-  VXDVersionRes: TVXDVersionResource;
-  RootNode: packed record
-    cbNode: Word;
-    cbData: Word;
-    szKey: array[0..15] of AnsiChar;  { should always be 'VS_VERSION_INFO'#0 }
-    Value: TVSFixedFileInfo;
-  end;
-begin
-  Result := False;
-  try
-    if not NewFileExists(Filename) then
-      Exit;
-    F := TFile.Create(Filename, fdOpenExisting, faRead, fsRead);
-    try
-      { DOS header }
-      if (F.Read(DosHeader, SizeOf(DosHeader)) <> SizeOf(DosHeader)) or
-         (DosHeader.Sig <> IMAGE_DOS_SIGNATURE) or
-         (DosHeader.VXDHeaderOffset = 0) then
-        Exit;
-
-      { VXD header }
-      F.Seek(DosHeader.VXDHeaderOffset);
-      if (F.Read(VXDHeader, SizeOf(VXDHeader)) <> SizeOf(VXDHeader)) or
-         (DWORD(Pointer(@VXDHeader)^) <> IMAGE_VXD_SIGNATURE) then
-        Exit;
-      if Cardinal(VXDHeader.e32_winreslen) <= Cardinal(SizeOf(VXDVersionRes)) then
-        Exit;  { sanity check }
-
-      { Resource }
-      F.Seek(VXDHeader.e32_winresoff);
-      F.ReadBuffer(VXDVersionRes, SizeOf(VXDVersionRes));
-      if (VXDVersionRes.cType <> $FF) or
-         (VXDVersionRes.wID <> 16) or  { RT_VERSION? }
-         (VXDVersionRes.cName <> $FF) then
-        Exit;  { we don't support non-ordinal types/names (see "Known issue") }
-      if Cardinal(VXDVersionRes.dwResSize) < Cardinal(SizeOf(RootNode)) then
-        Exit;  { sanity check }
-      F.ReadBuffer(RootNode, SizeOf(RootNode));
-      if (RootNode.cbNode >= SizeOf(RootNode)) and
-         (RootNode.cbData >= SizeOf(RootNode.Value)) and
-         (RootNode.Value.dwSignature = VS_FFI_SIGNATURE) then begin
-        VersionInfo := RootNode.Value;
-        Result := True;
-      end;
-    finally
-      F.Free;
-    end;
-  except
-    { don't propagate exceptions }
-  end;
-end;
-
-function GetVersionInfo(const Filename: String;
-  var VersionInfo: TVSFixedFileInfo): Boolean;
-var
-  VersionSize: Integer;
-  VersionHandle: DWORD;
-  VersionBuf: PChar;
-  VerInfo: PVSFixedFileInfo;
-  VerInfoSize: UINT;
-begin
-  Result := False;
-
-  VersionSize := GetFileVersionInfoSize(PChar(Filename), VersionHandle);
-  if VersionSize > 0 then begin
-    GetMem(VersionBuf, VersionSize);
-    try
-      if GetFileVersionInfo(PChar(Filename), VersionHandle, VersionSize, VersionBuf) then begin
-        if VerQueryValue(VersionBuf, '\', Pointer(VerInfo), VerInfoSize) then begin
-          VersionInfo := VerInfo^;
-          Result := True;
-        end;
-      end;
-    finally
-      FreeMem(VersionBuf);
-    end;
-  end
-  else if Win32Platform <> VER_PLATFORM_WIN32_WINDOWS then begin
-    { NT's version APIs don't support VXDs, so use our own code to handle them }
-    Result := GetVXDVersionInfo(Filename, VersionInfo);
-  end;
-end;
-
-function GetVersionNumbers(const Filename: String;
-  var VersionNumbers: TFileVersionNumbers): Boolean;
-var
-  VerInfo: TVSFixedFileInfo;
-begin
-  Result := GetVersionInfo(Filename, VerInfo);
-  if Result then begin
-    VersionNumbers.MS := VerInfo.dwFileVersionMS;
-    VersionNumbers.LS := VerInfo.dwFileVersionLS;
-  end;
-end;
-
-function StrToVersionNumbers(const S: String; var Version: TFileVersionNumbers): Boolean;
-
-  function SplitNextNumber(var Z: String): Word;
-  var
-    I, N: Integer;
-  begin
-    if Trim(Z) <> '' then begin
-      I := Pos('.', Z);
-      if I = 0 then
-        I := Length(Z)+1;
-      N := StrToInt(Trim(Copy(Z, 1, I-1)));
-      if (N < Low(Word)) or (N > High(Word)) then
-        Abort;
-      Result := N;
-      Z := Copy(Z, I+1, Maxint);
-    end else
-      Result := 0;
-  end;
-
-var
-  Z: String;
-  W: Word;
-begin
-  try
-    Z := S;
-    W := SplitNextNumber(Z);
-    Version.MS := (DWord(W) shl 16) or SplitNextNumber(Z);
-    W := SplitNextNumber(Z);
-    Version.LS := (DWord(W) shl 16) or SplitNextNumber(Z);
-    Result := True;
-  except
-    Result := False;
-  end;
-end;
-
-end.

Projects/Wizard.pas

@@ -2,7 +2,7 @@ unit Wizard;
 
 {
   Inno Setup
-  Copyright (C) 1997-2019 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
@@ -767,9 +767,8 @@ begin
   PrevSelectedTasks := TStringList.Create();
   PrevDeselectedTasks := TStringList.Create();
 
-{$IFDEF IS_D7}
   MainPanel.ParentBackground := False;
-{$ENDIF}
+
   { Prior to scaling the form, shrink WizardSmallBitmapImage if it's currently
     larger than WizardSmallImage. This way, stretching will not occur if the
     user specifies a smaller-than-default image and WizardImageStretch=yes,
@@ -2703,26 +2702,18 @@ var
     pszPath: PChar; dwFlags: DWORD): HRESULT; stdcall;
 
 procedure ReconnectPath(const Path: String);
-{ Attempts to re-establish the connection to Path if it's on a network drive.
-  It is particularly important to call this on Windows Vista, where mapped
-  network drives are initially disconnected in elevated processes.
-  Only has an effect on Windows XP and later. }
+{ Attempts to re-establish the connection to Path if it's on a network drive
+  since mapped network drives are initially disconnected in elevated processes. }
 var
   WindowList: Pointer;
 begin
   { If this fails, we shouldn't display any message boxes since the install
-    might be running silently with /SUPPRESSMSGBOXES.
-    Because of that requirement, we must limit this code to Windows XP and
-    later: The SHPathPrepareForWrite documentation claims that "user interface
-    windows will not be created" when hwnd is NULL, however I found that on
-    Windows 2000, it can still display unowned "An error occurred while
-    reconnecting" message boxes (e.g. if you log in with persistently mapped
-    drives while your Local Area Connection is disabled).
-    Windows XP/2003/Vista suppress these message boxes when NULL is passed. }
-  if (WindowsVersion >= Cardinal($05010000)) and
-     Assigned(SHPathPrepareForWriteFunc) then begin
-    { "Just in case" XP and later tries to display UI (it never did in my
-      tests), disable our windows }
+    might be running silently with /SUPPRESSMSGBOXES and this is indeed so:
+    The SHPathPrepareForWrite documentation claims that "user interface
+    windows will not be created" when hwnd is NULL. }
+  if Assigned(SHPathPrepareForWriteFunc) then begin
+    { "Just in case" it tries to display UI anyway (it never did in tests),
+      disable our windows }
     WindowList := DisableTaskWindows(0);
     try
       SHPathPrepareForWriteFunc(0, nil, PChar(Path), SHPPFW_NONE);
@@ -3008,5 +2999,5 @@ end;
 
 initialization
   SHPathPrepareForWriteFunc := GetProcAddress(SafeLoadLibrary(AddBackslash(GetSystemDir) + shell32,
-    SEM_NOOPENFILEERRORBOX), {$IFDEF UNICODE}'SHPathPrepareForWriteW'{$ELSE}'SHPathPrepareForWriteA'{$ENDIF});
+    SEM_NOOPENFILEERRORBOX), 'SHPathPrepareForWriteW');
 end.

Projects/XPTheme.pas

@@ -2,12 +2,11 @@ unit XPTheme;
 
 {
   Inno Setup
-  Copyright (C) 1997-2007 Jordan Russell
+  Copyright (C) 1997-2024 Jordan Russell
   Portions by Martijn Laan
   For conditions of distribution and use, see LICENSE.TXT.
 
-  Enables themes on Windows XP/Vista, and disables DPI scaling on Vista.
-  Used only by the Setup and SetupLdr projects.
+  Enables themes. Used only by the Setup and SetupLdr projects.
 
   Note: XPTheme must be included as the first unit in the program's "uses"
   clause so that its code runs before any VCL initialization code.
@@ -26,14 +25,5 @@ uses
 procedure InitCommonControls; external comctl32 name 'InitCommonControls';
 
 initialization
-  { Work around bug in Windows XP Gold & SP1: If the application manifest
-    specifies COMCTL32.DLL version 6.0 (to enable visual styles), we must
-    call InitCommonControls() to ensure that we actually link to
-    COMCTL32.DLL, otherwise calls to MessageBox() fail. (XP SP2 appears
-    to fix this.)
-    Programs that don't statically link to COMCTL32, like SetupLdr, need this.
-    (Actually, that's not completely true -- SetupLdr uses RedirFunc, which
-    loads SHELL32.DLL, which in turn loads COMCTL32.DLL. But let's not rely on
-    that undocumented behavior.) }
   InitCommonControls;
 end.

whatsnew.htm

@@ -52,6 +52,11 @@ For conditions of distribution and use, see <a href="https://jrsoftware.org/file
   <li>The tab for the selected #include file now shows a close button.</li>
   <li>Added a clickable panel to the Status Bar showing the amount of closed tabs if there are any.</li>
 </ul>
+<p><span class="head2">Support for Windows Vista and Windows Server 2008 removed</span></p>
+<ul>
+  <li><b>OS requirements change:</b> Windows Vista and Windows Server 2008 are no longer supported. Windows 7 and Windows Server 2008 R2 are now the minimum supported operating systems. [Setup] section directive <tt>MinVersion</tt> still defaults to <tt>6.1sp1</tt>, so by default Setup will still not run versions of Windows 7 and Windows Server 2008 R2 which have not been updated.</li>
+  <li>Removed [Icons] section flag <tt>foldershortcut</tt> which was already ignored except when running on Windows Vista or Windows Server 2008, as folder shortcuts do not expand properly on the Start Menu anymore.</li>
+</ul>
 <p><span class="head2">Other changes</span></p>
 <ul>
   <li>Compiler IDE change: Added new <i>[Files] Entries Designer</i> menu item to the <i>Tools</i> menu to design and insert extra entries to the [Files] section.</li>