restore behavior insisting on 640x480x16 mode for low-mem cards

panda/src/wgldisplay/config_wgldisplay.cxx

@@ -58,3 +58,8 @@ int gl_force_pixfmt = config_wgldisplay.GetInt("gl-force-pixfmt", 0);
 // Set this true to force all GL windows to fail to open correctly.
 bool gl_force_invalid = config_wgldisplay.GetBool("gl-force-invalid", false);
 
+// This is true to insist that low-memory cards open only 640x480
+// fullscreen windows, no matter what resolution of window was
+// requested.  It only affects fullscreen windows.
+bool gl_do_vidmemsize_check = config_wgldisplay.GetBool("gl-do-vidmemsize-check", true);
+

panda/src/wgldisplay/config_wgldisplay.h

@@ -28,5 +28,6 @@ extern EXPCL_PANDAGL void init_libwgldisplay();
 
 extern int gl_force_pixfmt;
 extern bool gl_force_invalid;
+extern bool gl_do_vidmemsize_check;
 
 #endif

panda/src/wgldisplay/wglGraphicsWindow.cxx

@@ -23,12 +23,109 @@
 #include "glGraphicsStateGuardian.h"
 
 #include <wingdi.h>
+#include <ddraw.h>
 
 typedef enum {Software, MCD, ICD} OGLDriverType;
 static const char * const OGLDrvStrings[] = { "Software", "MCD", "ICD" };
 
 TypeHandle wglGraphicsWindow::_type_handle;
 
+static char *ConvDDErrorToString(const HRESULT &error);
+
+// spare me the trouble of linking with dxguid.lib or defining ALL the dx guids in this .obj by #defining INITGUID
+#define MY_DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
+        EXTERN_C const GUID DECLSPEC_SELECTANY name \
+                = { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }
+
+MY_DEFINE_GUID(IID_IDirectDraw2, 0xB3A6F3E0,0x2B43,0x11CF,0xA2,0xDE,0x00,0xAA,0x00,0xB9,0x33,0x56);
+
+////////////////////////////////////////////////////////////////////
+//  Function: GetAvailVidMem
+//  Description: Uses DDraw to get available video memory
+////////////////////////////////////////////////////////////////////
+static DWORD
+GetAvailVidMem() {
+  LPDIRECTDRAW2 pDD2;
+  LPDIRECTDRAW pDD;
+  HRESULT hr;
+
+  typedef HRESULT (WINAPI *DIRECTDRAWCREATEPROC)(GUID FAR *lpGUID,LPDIRECTDRAW FAR *lplpDD,IUnknown FAR *pUnkOuter);
+  DIRECTDRAWCREATEPROC pfnDDCreate=NULL;
+  
+  HINSTANCE DDHinst = LoadLibrary("ddraw.dll");
+  if (DDHinst == 0) {
+    wgldisplay_cat.fatal() << "LoadLibrary() can't find DDRAW.DLL!" << endl;
+    return 0x7FFFFFFF;
+  }
+  
+  pfnDDCreate = (DIRECTDRAWCREATEPROC) GetProcAddress(DDHinst, "DirectDrawCreate");
+  
+  // just use DX5 DD interface, since that's the minimum ver we need
+  if (NULL == pfnDDCreate) {
+    wgldisplay_cat.fatal() << "GetProcAddress failed on DirectDrawCreate\n";
+    FreeLibrary(DDHinst);
+    return 0x7FFFFFFF;
+  }
+  
+  // Create the Direct Draw Object
+  hr = (*pfnDDCreate)((GUID *)DDCREATE_HARDWAREONLY, &pDD, NULL);
+  if (hr != DD_OK) {
+    wgldisplay_cat.fatal()
+      << "DirectDrawCreate failed : result = " << ConvDDErrorToString(hr)
+      << endl;
+    FreeLibrary(DDHinst);
+    return 0x7FFFFFFF;
+  }
+  
+  FreeLibrary(DDHinst);    //undo LoadLib above, decrement ddrawl.dll refcnt (after DDrawCreate, since dont want to unload/reload)
+  
+  // need DDraw2 interface for GetAvailVidMem
+  hr = pDD->QueryInterface(IID_IDirectDraw2, (LPVOID *)&pDD2);
+  pDD->Release();
+
+  if (hr != DD_OK) {
+    wgldisplay_cat.fatal()
+      << "DDraw QueryInterface failed : result = " << ConvDDErrorToString(hr)
+      << endl;
+    return 0x7FFFFFFF;
+  }
+  
+  // Now we try to figure out if we can use requested screen
+  // resolution and best rendertarget bpp and still have at least 2
+  // meg of texture vidmem
+  
+  // Get Current VidMem avail.  Note this is only an estimate, when we
+  // switch to fullscreen mode from desktop, more vidmem will be
+  // available (typically 1.2 meg).  I dont want to switch to
+  // fullscreen more than once due to the annoying monitor flicker, so
+  // try to figure out optimal mode using this estimate
+  DDSCAPS ddsCaps;
+  DWORD dwTotal,dwFree;
+  ZeroMemory(&ddsCaps,sizeof(DDSCAPS));
+  ddsCaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_LOCALVIDMEM;  // dont count AGP mem!
+  if (FAILED(hr = pDD2->GetAvailableVidMem(&ddsCaps,&dwTotal,&dwFree))) {
+    if (hr==DDERR_NODIRECTDRAWHW) {
+      wgldisplay_cat.info() << "GetAvailableVidMem returns no-DDraw HW, assuming we have plenty of vidmem\n";
+      dwTotal=dwFree=0x7FFFFFFF;
+    } else {
+      wgldisplay_cat.fatal() << "GetAvailableVidMem failed : result = " << ConvDDErrorToString(hr) << endl;
+      dwTotal=dwFree=0x7FFFFFFF;
+    }
+  } else {
+    if (wgldisplay_cat.is_debug()) {
+      wgldisplay_cat.info() << "before FullScreen switch: GetAvailableVidMem returns Total: " << dwTotal/1000000.0 << "  Free: " << dwFree/1000000.0 << endl;
+    }
+
+    if (dwTotal==0) {
+      wgldisplay_cat.info() << "GetAvailVidMem returns bogus total of 0, assuming we have plenty of vidmem\n";
+      dwTotal=dwFree=0x7FFFFFFF;
+    }
+  }
+  
+  pDD2->Release();  // bye-bye ddraw
+  return dwFree;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: wglGraphicsWindow::Constructor
 //       Access: Public
@@ -130,6 +227,19 @@ begin_flip() {
   }
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: wglGraphicsWindow::close_window
+//       Access: Protected, Virtual
+//  Description: Closes the window right now.  Called from the window
+//               thread.
+////////////////////////////////////////////////////////////////////
+void wglGraphicsWindow::
+close_window() {
+  ReleaseDC(_mwindow, _hdc);
+  _hdc = (HDC)0;
+  WinGraphicsWindow::close_window();
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: wglGraphicsWindow::open_window
 //       Access: Protected, Virtual
@@ -149,10 +259,9 @@ open_window() {
   int pfnum = choose_pfnum();
 
   if (gl_force_pixfmt != 0) {
-    if (wgldisplay_cat.is_debug())
-      wgldisplay_cat.debug()
-        << "overriding pixfmt choice algorithm (" << pfnum 
-        << ") with gl-force-pixfmt(" << gl_force_pixfmt << ")\n";
+    wgldisplay_cat.info()
+      << "overriding pixfmt choice algorithm (" << pfnum 
+      << ") with gl-force-pixfmt(" << gl_force_pixfmt << ")\n";
     pfnum = gl_force_pixfmt;
   }
 
@@ -193,16 +302,36 @@ open_window() {
 }
 
 ////////////////////////////////////////////////////////////////////
-//     Function: wglGraphicsWindow::close_window
+//     Function: wglGraphicsWindow::reconsider_fullscreen_size
 //       Access: Protected, Virtual
-//  Description: Closes the window right now.  Called from the window
-//               thread.
+//  Description: Called before creating a fullscreen window to give
+//               the driver a chance to adjust the particular
+//               resolution request, if necessary.
 ////////////////////////////////////////////////////////////////////
 void wglGraphicsWindow::
-close_window() {
-  ReleaseDC(_mwindow, _hdc);
-  _hdc = (HDC)0;
-  WinGraphicsWindow::close_window();
+reconsider_fullscreen_size(DWORD &x_size, DWORD &y_size, DWORD &bitdepth) {
+  // Here we arbitrarily insist that low-memory cards can only open
+  // 640x480 fullscreen windows.  It would probably be better to make
+  // this decision at a higher level, or at least allow the app to
+  // decide whether it wants to yield this decision to us, but this
+  // will do for now.
+
+  // Actually, this test doesn't even work on the Riva128 (the driver
+  // reports a bogus value of 0 bytes available memory), and the
+  // Riva128 works fine at 800x600 mode anyway.  It's not clear
+  // whether any cards we are actively supported are helped by this or
+  // not.
+
+#define LOWVIDMEMTHRESHOLD 3500000
+  if (gl_do_vidmemsize_check && (GetAvailVidMem() < LOWVIDMEMTHRESHOLD)) {
+    //_bIsLowVidMemCard = true;
+    wgldisplay_cat.info()
+      << "low video memory card detected, insisting on 640x480x16.\n";
+    // we're going to need 640x480 at 16 bit to save enough tex vidmem
+    x_size = 640;
+    y_size = 480;
+    bitdepth = 16;
+  }
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -502,3 +631,1263 @@ print_pfd(PIXELFORMATDESCRIPTOR *pfd, char *msg) {
     << endl;
 }
 #endif
+
+
+static char *
+ConvDDErrorToString(const HRESULT &error) {
+  switch(error) {
+  case E_FAIL:
+    return "Unspecified error E_FAIL";
+    
+  case DD_OK:
+    return "No error.\0";
+    
+  case DDERR_ALREADYINITIALIZED     : // (5)
+    return "DDERR_ALREADYINITIALIZED        ";//: // (5)
+  case DDERR_CANNOTATTACHSURFACE        : // (10)
+    return "DDERR_CANNOTATTACHSURFACE       ";//: // (10)
+  case DDERR_CANNOTDETACHSURFACE        : // (20)
+    return "DDERR_CANNOTDETACHSURFACE       ";//: // (20)
+  case DDERR_CURRENTLYNOTAVAIL          : // (40)
+    return "DDERR_CURRENTLYNOTAVAIL         ";//: // (40)
+  case DDERR_EXCEPTION              : // (55)
+    return "DDERR_EXCEPTION             ";//: // (55)
+  case DDERR_HEIGHTALIGN            : // (90)
+    return "DDERR_HEIGHTALIGN           ";//: // (90)
+  case DDERR_INCOMPATIBLEPRIMARY        : // (95)
+    return "DDERR_INCOMPATIBLEPRIMARY       ";//: // (95)
+  case DDERR_INVALIDCAPS            : // (100)
+    return "DDERR_INVALIDCAPS           ";//: // (100)
+  case DDERR_INVALIDCLIPLIST            : // (110)
+    return "DDERR_INVALIDCLIPLIST           ";//: // (110)
+  case DDERR_INVALIDMODE            : // (120)
+    return "DDERR_INVALIDMODE           ";//: // (120)
+  case DDERR_INVALIDOBJECT          : // (130)
+    return "DDERR_INVALIDOBJECT         ";//: // (130)
+  case DDERR_INVALIDPIXELFORMAT     : // (145)
+    return "DDERR_INVALIDPIXELFORMAT        ";//: // (145)
+  case DDERR_INVALIDRECT            : // (150)
+    return "DDERR_INVALIDRECT           ";//: // (150)
+  case DDERR_LOCKEDSURFACES         : // (160)
+    return "DDERR_LOCKEDSURFACES            ";//: // (160)
+  case DDERR_NO3D               : // (170)
+    return "DDERR_NO3D              ";//: // (170)
+  case DDERR_NOALPHAHW              : // (180)
+    return "DDERR_NOALPHAHW             ";//: // (180)
+  case DDERR_NOCLIPLIST         : // (205)
+    return "DDERR_NOCLIPLIST            ";//: // (205)
+  case DDERR_NOCOLORCONVHW          : // (210)
+    return "DDERR_NOCOLORCONVHW         ";//: // (210)
+  case DDERR_NOCOOPERATIVELEVELSET      : // (212)
+    return "DDERR_NOCOOPERATIVELEVELSET     ";//: // (212)
+  case DDERR_NOCOLORKEY         : // (215)
+    return "DDERR_NOCOLORKEY            ";//: // (215)
+  case DDERR_NOCOLORKEYHW           : // (220)
+    return "DDERR_NOCOLORKEYHW          ";//: // (220)
+  case DDERR_NODIRECTDRAWSUPPORT        : // (222)
+    return "DDERR_NODIRECTDRAWSUPPORT       ";//: // (222)
+  case DDERR_NOEXCLUSIVEMODE            : // (225)
+    return "DDERR_NOEXCLUSIVEMODE           ";//: // (225)
+  case DDERR_NOFLIPHW               : // (230)
+    return "DDERR_NOFLIPHW              ";//: // (230)
+  case DDERR_NOGDI              : // (240)
+    return "DDERR_NOGDI             ";//: // (240)
+  case DDERR_NOMIRRORHW         : // (250)
+    return "DDERR_NOMIRRORHW            ";//: // (250)
+  case DDERR_NOTFOUND               : // (255)
+    return "DDERR_NOTFOUND              ";//: // (255)
+  case DDERR_NOOVERLAYHW            : // (260)
+    return "DDERR_NOOVERLAYHW           ";//: // (260)
+  case DDERR_NORASTEROPHW           : // (280)
+    return "DDERR_NORASTEROPHW          ";//: // (280)
+  case DDERR_NOROTATIONHW           : // (290)
+    return "DDERR_NOROTATIONHW          ";//: // (290)
+  case DDERR_NOSTRETCHHW            : // (310)
+    return "DDERR_NOSTRETCHHW           ";//: // (310)
+  case DDERR_NOT4BITCOLOR           : // (316)
+    return "DDERR_NOT4BITCOLOR          ";//: // (316)
+  case DDERR_NOT4BITCOLORINDEX          : // (317)
+    return "DDERR_NOT4BITCOLORINDEX         ";//: // (317)
+  case DDERR_NOT8BITCOLOR           : // (320)
+    return "DDERR_NOT8BITCOLOR          ";//: // (320)
+  case DDERR_NOTEXTUREHW            : // (330)
+    return "DDERR_NOTEXTUREHW           ";//: // (330)
+  case DDERR_NOVSYNCHW              : // (335)
+    return "DDERR_NOVSYNCHW             ";//: // (335)
+  case DDERR_NOZBUFFERHW            : // (340)
+    return "DDERR_NOZBUFFERHW           ";//: // (340)
+  case DDERR_NOZOVERLAYHW           : // (350)
+    return "DDERR_NOZOVERLAYHW          ";//: // (350)
+  case DDERR_OUTOFCAPS              : // (360)
+    return "DDERR_OUTOFCAPS             ";//: // (360)
+  case DDERR_OUTOFVIDEOMEMORY           : // (380)
+    return "DDERR_OUTOFVIDEOMEMORY          ";//: // (380)
+  case DDERR_OVERLAYCANTCLIP            : // (382)
+    return "DDERR_OVERLAYCANTCLIP           ";//: // (382)
+  case DDERR_OVERLAYCOLORKEYONLYONEACTIVE   : // (384)
+    return "DDERR_OVERLAYCOLORKEYONLYONEACTIVE  ";//: // (384)
+  case DDERR_PALETTEBUSY            : // (387)
+    return "DDERR_PALETTEBUSY           ";//: // (387)
+  case DDERR_COLORKEYNOTSET         : // (400)
+    return "DDERR_COLORKEYNOTSET            ";//: // (400)
+  case DDERR_SURFACEALREADYATTACHED     : // (410)
+    return "DDERR_SURFACEALREADYATTACHED        ";//: // (410)
+  case DDERR_SURFACEALREADYDEPENDENT        : // (420)
+    return "DDERR_SURFACEALREADYDEPENDENT       ";//: // (420)
+  case DDERR_SURFACEBUSY            : // (430)
+    return "DDERR_SURFACEBUSY           ";//: // (430)
+  case DDERR_CANTLOCKSURFACE                   : // (435)
+    return "DDERR_CANTLOCKSURFACE";//: // (435)
+  case DDERR_SURFACEISOBSCURED          : // (440)
+    return "DDERR_SURFACEISOBSCURED         ";//: // (440)
+  case DDERR_SURFACELOST            : // (450)
+    return "DDERR_SURFACELOST           ";//: // (450)
+  case DDERR_SURFACENOTATTACHED     : // (460)
+    return "DDERR_SURFACENOTATTACHED        ";//: // (460)
+  case DDERR_TOOBIGHEIGHT           : // (470)
+    return "DDERR_TOOBIGHEIGHT          ";//: // (470)
+  case DDERR_TOOBIGSIZE         : // (480)
+    return "DDERR_TOOBIGSIZE            ";//: // (480)
+  case DDERR_TOOBIGWIDTH            : // (490)
+    return "DDERR_TOOBIGWIDTH           ";//: // (490)
+  case DDERR_UNSUPPORTEDFORMAT          : // (510)
+    return "DDERR_UNSUPPORTEDFORMAT         ";//: // (510)
+  case DDERR_UNSUPPORTEDMASK            : // (520)
+    return "DDERR_UNSUPPORTEDMASK           ";//: // (520)
+  case DDERR_VERTICALBLANKINPROGRESS        : // (537)
+    return "DDERR_VERTICALBLANKINPROGRESS       ";//: // (537)
+  case DDERR_WASSTILLDRAWING            : // (540)
+    return "DDERR_WASSTILLDRAWING           ";//: // (540)
+  case DDERR_XALIGN             : // (560)
+    return "DDERR_XALIGN                ";//: // (560)
+  case DDERR_INVALIDDIRECTDRAWGUID      : // (561)
+    return "DDERR_INVALIDDIRECTDRAWGUID     ";//: // (561)
+  case DDERR_DIRECTDRAWALREADYCREATED       : // (562)
+    return "DDERR_DIRECTDRAWALREADYCREATED      ";//: // (562)
+  case DDERR_NODIRECTDRAWHW         : // (563)
+    return "DDERR_NODIRECTDRAWHW            ";//: // (563)
+  case DDERR_PRIMARYSURFACEALREADYEXISTS    : // (564)
+    return "DDERR_PRIMARYSURFACEALREADYEXISTS   ";//: // (564)
+  case DDERR_NOEMULATION            : // (565)
+    return "DDERR_NOEMULATION           ";//: // (565)
+  case DDERR_REGIONTOOSMALL         : // (566)
+    return "DDERR_REGIONTOOSMALL            ";//: // (566)
+  case DDERR_CLIPPERISUSINGHWND     : // (567)
+    return "DDERR_CLIPPERISUSINGHWND        ";//: // (567)
+  case DDERR_NOCLIPPERATTACHED          : // (568)
+    return "DDERR_NOCLIPPERATTACHED         ";//: // (568)
+  case DDERR_NOHWND             : // (569)
+    return "DDERR_NOHWND                ";//: // (569)
+  case DDERR_HWNDSUBCLASSED         : // (570)
+    return "DDERR_HWNDSUBCLASSED            ";//: // (570)
+  case DDERR_HWNDALREADYSET         : // (571)
+    return "DDERR_HWNDALREADYSET            ";//: // (571)
+  case DDERR_NOPALETTEATTACHED          : // (572)
+    return "DDERR_NOPALETTEATTACHED         ";//: // (572)
+  case DDERR_NOPALETTEHW            : // (573)
+    return "DDERR_NOPALETTEHW           ";//: // (573)
+  case DDERR_BLTFASTCANTCLIP            : // (574)
+    return "DDERR_BLTFASTCANTCLIP           ";//: // (574)
+  case DDERR_NOBLTHW                : // (575)
+    return "DDERR_NOBLTHW               ";//: // (575)
+  case DDERR_NODDROPSHW         : // (576)
+    return "DDERR_NODDROPSHW            ";//: // (576)
+  case DDERR_OVERLAYNOTVISIBLE          : // (577)
+    return "DDERR_OVERLAYNOTVISIBLE         ";//: // (577)
+  case DDERR_NOOVERLAYDEST          : // (578)
+    return "DDERR_NOOVERLAYDEST         ";//: // (578)
+  case DDERR_INVALIDPOSITION            : // (579)
+    return "DDERR_INVALIDPOSITION           ";//: // (579)
+  case DDERR_NOTAOVERLAYSURFACE     : // (580)
+    return "DDERR_NOTAOVERLAYSURFACE        ";//: // (580)
+  case DDERR_EXCLUSIVEMODEALREADYSET        : // (581)
+    return "DDERR_EXCLUSIVEMODEALREADYSET       ";//: // (581)
+  case DDERR_NOTFLIPPABLE           : // (582)
+    return "DDERR_NOTFLIPPABLE          ";//: // (582)
+  case DDERR_CANTDUPLICATE          : // (583)
+    return "DDERR_CANTDUPLICATE         ";//: // (583)
+  case DDERR_NOTLOCKED              : // (584)
+    return "DDERR_NOTLOCKED             ";//: // (584)
+  case DDERR_CANTCREATEDC           : // (585)
+    return "DDERR_CANTCREATEDC          ";//: // (585)
+  case DDERR_NODC               : // (586)
+    return "DDERR_NODC              ";//: // (586)
+  case DDERR_WRONGMODE              : // (587)
+    return "DDERR_WRONGMODE             ";//: // (587)
+  case DDERR_IMPLICITLYCREATED          : // (588)
+    return "DDERR_IMPLICITLYCREATED         ";//: // (588)
+  case DDERR_NOTPALETTIZED          : // (589)
+    return "DDERR_NOTPALETTIZED         ";//: // (589)
+  case DDERR_UNSUPPORTEDMODE            : // (590)
+    return "DDERR_UNSUPPORTEDMODE           ";//: // (590)
+  case DDERR_NOMIPMAPHW         : // (591)
+    return "DDERR_NOMIPMAPHW            ";//: // (591)
+  case DDERR_INVALIDSURFACETYPE                : // (592)
+    return "DDERR_INVALIDSURFACETYPE";//: // (592)
+  case DDERR_NOOPTIMIZEHW                      : // (600)
+    return "DDERR_NOOPTIMIZEHW";//: // (600)
+  case DDERR_NOTLOADED                         : // (601)
+    return "DDERR_NOTLOADED";//: // (601)
+  case DDERR_NOFOCUSWINDOW                     : // (602)
+    return "DDERR_NOFOCUSWINDOW";//: // (602)
+  case DDERR_DCALREADYCREATED           : // (620)
+    return "DDERR_DCALREADYCREATED          ";//: // (620)
+  case DDERR_NONONLOCALVIDMEM                  : // (630)
+    return "DDERR_NONONLOCALVIDMEM";//: // (630)
+  case DDERR_CANTPAGELOCK           : // (640)
+    return "DDERR_CANTPAGELOCK          ";//: // (640)
+  case DDERR_CANTPAGEUNLOCK         : // (660)
+    return "DDERR_CANTPAGEUNLOCK            ";//: // (660)
+  case DDERR_NOTPAGELOCKED          : // (680)
+    return "DDERR_NOTPAGELOCKED         ";//: // (680)
+  case DDERR_MOREDATA                   : // (690)
+    return "DDERR_MOREDATA                  ";//: // (690)
+  case DDERR_VIDEONOTACTIVE             : // (695)
+    return "DDERR_VIDEONOTACTIVE            ";//: // (695)
+  case DDERR_DEVICEDOESNTOWNSURFACE         : // (699)
+    return "DDERR_DEVICEDOESNTOWNSURFACE        ";//: // (699)
+
+  case E_UNEXPECTED                     :
+    return "E_UNEXPECTED                     ";
+  case E_NOTIMPL                        :
+    return "E_NOTIMPL                        ";
+  case E_OUTOFMEMORY                    :
+    return "E_OUTOFMEMORY                    ";
+  case E_INVALIDARG                     :
+    return "E_INVALIDARG or DDERR_INVALIDPARAMS";
+  case E_NOINTERFACE                    :
+    return "E_NOINTERFACE                    ";
+  case E_POINTER                        :
+    return "E_POINTER                        ";
+  case E_HANDLE                         :
+    return "E_HANDLE                         ";
+  case E_ABORT                          :
+    return "E_ABORT                          ";
+    //    case E_FAIL                           :
+    //    return "E_FAIL                           ";
+  case E_ACCESSDENIED                   :
+    return "E_ACCESSDENIED                   ";
+  case E_PENDING                        :
+    return "E_PENDING                        ";
+  case CO_E_INIT_TLS                    :
+    return "CO_E_INIT_TLS                    ";
+  case CO_E_INIT_SHARED_ALLOCATOR       :
+    return "CO_E_INIT_SHARED_ALLOCATOR       ";
+  case CO_E_INIT_MEMORY_ALLOCATOR       :
+    return "CO_E_INIT_MEMORY_ALLOCATOR       ";
+  case CO_E_INIT_CLASS_CACHE            :
+    return "CO_E_INIT_CLASS_CACHE            ";
+  case CO_E_INIT_RPC_CHANNEL            :
+    return "CO_E_INIT_RPC_CHANNEL            ";
+  case CO_E_INIT_TLS_SET_CHANNEL_CONTROL :
+    return "CO_E_INIT_TLS_SET_CHANNEL_CONTROL ";
+  case CO_E_INIT_TLS_CHANNEL_CONTROL    :
+    return "CO_E_INIT_TLS_CHANNEL_CONTROL    ";
+  case CO_E_INIT_UNACCEPTED_USER_ALLOCATOR :
+    return "CO_E_INIT_UNACCEPTED_USER_ALLOCATOR ";
+  case CO_E_INIT_SCM_MUTEX_EXISTS       :
+    return "CO_E_INIT_SCM_MUTEX_EXISTS       ";
+  case CO_E_INIT_SCM_FILE_MAPPING_EXISTS :
+    return "CO_E_INIT_SCM_FILE_MAPPING_EXISTS ";
+  case CO_E_INIT_SCM_MAP_VIEW_OF_FILE   :
+    return "CO_E_INIT_SCM_MAP_VIEW_OF_FILE   ";
+  case CO_E_INIT_SCM_EXEC_FAILURE       :
+    return "CO_E_INIT_SCM_EXEC_FAILURE       ";
+  case CO_E_INIT_ONLY_SINGLE_THREADED   :
+    return "CO_E_INIT_ONLY_SINGLE_THREADED   ";
+  case CO_E_CANT_REMOTE                 :
+    return "CO_E_CANT_REMOTE                 ";
+  case CO_E_BAD_SERVER_NAME             :
+    return "CO_E_BAD_SERVER_NAME             ";
+  case CO_E_WRONG_SERVER_IDENTITY       :
+    return "CO_E_WRONG_SERVER_IDENTITY       ";
+  case CO_E_OLE1DDE_DISABLED            :
+    return "CO_E_OLE1DDE_DISABLED            ";
+  case CO_E_RUNAS_SYNTAX                :
+    return "CO_E_RUNAS_SYNTAX                ";
+  case CO_E_CREATEPROCESS_FAILURE       :
+    return "CO_E_CREATEPROCESS_FAILURE       ";
+  case CO_E_RUNAS_CREATEPROCESS_FAILURE :
+    return "CO_E_RUNAS_CREATEPROCESS_FAILURE ";
+  case CO_E_RUNAS_LOGON_FAILURE         :
+    return "CO_E_RUNAS_LOGON_FAILURE         ";
+  case CO_E_LAUNCH_PERMSSION_DENIED     :
+    return "CO_E_LAUNCH_PERMSSION_DENIED     ";
+  case CO_E_START_SERVICE_FAILURE       :
+    return "CO_E_START_SERVICE_FAILURE       ";
+  case CO_E_REMOTE_COMMUNICATION_FAILURE :
+    return "CO_E_REMOTE_COMMUNICATION_FAILURE ";
+  case CO_E_SERVER_START_TIMEOUT        :
+    return "CO_E_SERVER_START_TIMEOUT        ";
+  case CO_E_CLSREG_INCONSISTENT         :
+    return "CO_E_CLSREG_INCONSISTENT         ";
+  case CO_E_IIDREG_INCONSISTENT         :
+    return "CO_E_IIDREG_INCONSISTENT         ";
+  case CO_E_NOT_SUPPORTED               :
+    return "CO_E_NOT_SUPPORTED               ";
+  case CO_E_RELOAD_DLL                  :
+    return "CO_E_RELOAD_DLL                  ";
+  case CO_E_MSI_ERROR                   :
+    return "CO_E_MSI_ERROR                   ";
+  case OLE_E_OLEVERB                    :
+    return "OLE_E_OLEVERB                    ";
+  case OLE_E_ADVF                       :
+    return "OLE_E_ADVF                       ";
+  case OLE_E_ENUM_NOMORE                :
+    return "OLE_E_ENUM_NOMORE                ";
+  case OLE_E_ADVISENOTSUPPORTED         :
+    return "OLE_E_ADVISENOTSUPPORTED         ";
+  case OLE_E_NOCONNECTION               :
+    return "OLE_E_NOCONNECTION               ";
+  case OLE_E_NOTRUNNING                 :
+    return "OLE_E_NOTRUNNING                 ";
+  case OLE_E_NOCACHE                    :
+    return "OLE_E_NOCACHE                    ";
+  case OLE_E_BLANK                      :
+    return "OLE_E_BLANK                      ";
+  case OLE_E_CLASSDIFF                  :
+    return "OLE_E_CLASSDIFF                  ";
+  case OLE_E_CANT_GETMONIKER            :
+    return "OLE_E_CANT_GETMONIKER            ";
+  case OLE_E_CANT_BINDTOSOURCE          :
+    return "OLE_E_CANT_BINDTOSOURCE          ";
+  case OLE_E_STATIC                     :
+    return "OLE_E_STATIC                     ";
+  case OLE_E_PROMPTSAVECANCELLED        :
+    return "OLE_E_PROMPTSAVECANCELLED        ";
+  case OLE_E_INVALIDRECT                :
+    return "OLE_E_INVALIDRECT                ";
+  case OLE_E_WRONGCOMPOBJ               :
+    return "OLE_E_WRONGCOMPOBJ               ";
+  case OLE_E_INVALIDHWND                :
+    return "OLE_E_INVALIDHWND                ";
+  case OLE_E_NOT_INPLACEACTIVE          :
+    return "OLE_E_NOT_INPLACEACTIVE          ";
+  case OLE_E_CANTCONVERT                :
+    return "OLE_E_CANTCONVERT                ";
+  case OLE_E_NOSTORAGE                  :
+    return "OLE_E_NOSTORAGE                  ";
+  case DV_E_FORMATETC                   :
+    return "DV_E_FORMATETC                   ";
+  case DV_E_DVTARGETDEVICE              :
+    return "DV_E_DVTARGETDEVICE              ";
+  case DV_E_STGMEDIUM                   :
+    return "DV_E_STGMEDIUM                   ";
+  case DV_E_STATDATA                    :
+    return "DV_E_STATDATA                    ";
+  case DV_E_LINDEX                      :
+    return "DV_E_LINDEX                      ";
+  case DV_E_TYMED                       :
+    return "DV_E_TYMED                       ";
+  case DV_E_CLIPFORMAT                  :
+    return "DV_E_CLIPFORMAT                  ";
+  case DV_E_DVASPECT                    :
+    return "DV_E_DVASPECT                    ";
+  case DV_E_DVTARGETDEVICE_SIZE         :
+    return "DV_E_DVTARGETDEVICE_SIZE         ";
+  case DV_E_NOIVIEWOBJECT               :
+    return "DV_E_NOIVIEWOBJECT               ";
+  case DRAGDROP_E_NOTREGISTERED         :
+    return "DRAGDROP_E_NOTREGISTERED         ";
+  case DRAGDROP_E_ALREADYREGISTERED     :
+    return "DRAGDROP_E_ALREADYREGISTERED     ";
+  case DRAGDROP_E_INVALIDHWND           :
+    return "DRAGDROP_E_INVALIDHWND           ";
+  case CLASS_E_NOAGGREGATION            :
+    return "CLASS_E_NOAGGREGATION            ";
+  case CLASS_E_CLASSNOTAVAILABLE        :
+    return "CLASS_E_CLASSNOTAVAILABLE        ";
+  case CLASS_E_NOTLICENSED              :
+    return "CLASS_E_NOTLICENSED              ";
+  case VIEW_E_DRAW                      :
+    return "VIEW_E_DRAW                      ";
+  case REGDB_E_READREGDB                :
+    return "REGDB_E_READREGDB                ";
+  case REGDB_E_WRITEREGDB               :
+    return "REGDB_E_WRITEREGDB               ";
+  case REGDB_E_KEYMISSING               :
+    return "REGDB_E_KEYMISSING               ";
+  case REGDB_E_INVALIDVALUE             :
+    return "REGDB_E_INVALIDVALUE             ";
+  case REGDB_E_CLASSNOTREG              :
+    return "REGDB_E_CLASSNOTREG              ";
+  case REGDB_E_IIDNOTREG                :
+    return "REGDB_E_IIDNOTREG                ";
+  case CAT_E_CATIDNOEXIST               :
+    return "CAT_E_CATIDNOEXIST               ";
+  case CAT_E_NODESCRIPTION              :
+    return "CAT_E_NODESCRIPTION              ";
+  case CS_E_PACKAGE_NOTFOUND            :
+    return "CS_E_PACKAGE_NOTFOUND            ";
+  case CS_E_NOT_DELETABLE               :
+    return "CS_E_NOT_DELETABLE               ";
+  case CS_E_CLASS_NOTFOUND              :
+    return "CS_E_CLASS_NOTFOUND              ";
+  case CS_E_INVALID_VERSION             :
+    return "CS_E_INVALID_VERSION             ";
+  case CS_E_NO_CLASSSTORE               :
+    return "CS_E_NO_CLASSSTORE               ";
+  case CACHE_E_NOCACHE_UPDATED          :
+    return "CACHE_E_NOCACHE_UPDATED          ";
+  case OLEOBJ_E_NOVERBS                 :
+    return "OLEOBJ_E_NOVERBS                 ";
+  case OLEOBJ_E_INVALIDVERB             :
+    return "OLEOBJ_E_INVALIDVERB             ";
+  case INPLACE_E_NOTUNDOABLE            :
+    return "INPLACE_E_NOTUNDOABLE            ";
+  case INPLACE_E_NOTOOLSPACE            :
+    return "INPLACE_E_NOTOOLSPACE            ";
+  case CONVERT10_E_OLESTREAM_GET        :
+    return "CONVERT10_E_OLESTREAM_GET        ";
+  case CONVERT10_E_OLESTREAM_PUT        :
+    return "CONVERT10_E_OLESTREAM_PUT        ";
+  case CONVERT10_E_OLESTREAM_FMT        :
+    return "CONVERT10_E_OLESTREAM_FMT        ";
+  case CONVERT10_E_OLESTREAM_BITMAP_TO_DIB :
+    return "CONVERT10_E_OLESTREAM_BITMAP_TO_DIB ";
+  case CONVERT10_E_STG_FMT              :
+    return "CONVERT10_E_STG_FMT              ";
+  case CONVERT10_E_STG_NO_STD_STREAM    :
+    return "CONVERT10_E_STG_NO_STD_STREAM    ";
+  case CONVERT10_E_STG_DIB_TO_BITMAP    :
+    return "CONVERT10_E_STG_DIB_TO_BITMAP    ";
+  case CLIPBRD_E_CANT_OPEN              :
+    return "CLIPBRD_E_CANT_OPEN              ";
+  case CLIPBRD_E_CANT_EMPTY             :
+    return "CLIPBRD_E_CANT_EMPTY             ";
+  case CLIPBRD_E_CANT_SET               :
+    return "CLIPBRD_E_CANT_SET               ";
+  case CLIPBRD_E_BAD_DATA               :
+    return "CLIPBRD_E_BAD_DATA               ";
+  case CLIPBRD_E_CANT_CLOSE             :
+    return "CLIPBRD_E_CANT_CLOSE             ";
+  case MK_E_CONNECTMANUALLY             :
+    return "MK_E_CONNECTMANUALLY             ";
+  case MK_E_EXCEEDEDDEADLINE            :
+    return "MK_E_EXCEEDEDDEADLINE            ";
+  case MK_E_NEEDGENERIC                 :
+    return "MK_E_NEEDGENERIC                 ";
+  case MK_E_UNAVAILABLE                 :
+    return "MK_E_UNAVAILABLE                 ";
+  case MK_E_SYNTAX                      :
+    return "MK_E_SYNTAX                      ";
+  case MK_E_NOOBJECT                    :
+    return "MK_E_NOOBJECT                    ";
+  case MK_E_INVALIDEXTENSION            :
+    return "MK_E_INVALIDEXTENSION            ";
+  case MK_E_INTERMEDIATEINTERFACENOTSUPPORTED :
+    return "MK_E_INTERMEDIATEINTERFACENOTSUPPORTED ";
+  case MK_E_NOTBINDABLE                 :
+    return "MK_E_NOTBINDABLE                 ";
+  case MK_E_NOTBOUND                    :
+    return "MK_E_NOTBOUND                    ";
+  case MK_E_CANTOPENFILE                :
+    return "MK_E_CANTOPENFILE                ";
+  case MK_E_MUSTBOTHERUSER              :
+    return "MK_E_MUSTBOTHERUSER              ";
+  case MK_E_NOINVERSE                   :
+    return "MK_E_NOINVERSE                   ";
+  case MK_E_NOSTORAGE                   :
+    return "MK_E_NOSTORAGE                   ";
+  case MK_E_NOPREFIX                    :
+    return "MK_E_NOPREFIX                    ";
+  case MK_E_ENUMERATION_FAILED          :
+    return "MK_E_ENUMERATION_FAILED          ";
+  case CO_E_NOTINITIALIZED              :
+    return "CO_E_NOTINITIALIZED              ";
+  case CO_E_ALREADYINITIALIZED          :
+    return "CO_E_ALREADYINITIALIZED          ";
+  case CO_E_CANTDETERMINECLASS          :
+    return "CO_E_CANTDETERMINECLASS          ";
+  case CO_E_CLASSSTRING                 :
+    return "CO_E_CLASSSTRING                 ";
+  case CO_E_IIDSTRING                   :
+    return "CO_E_IIDSTRING                   ";
+  case CO_E_APPNOTFOUND                 :
+    return "CO_E_APPNOTFOUND                 ";
+  case CO_E_APPSINGLEUSE                :
+    return "CO_E_APPSINGLEUSE                ";
+  case CO_E_ERRORINAPP                  :
+    return "CO_E_ERRORINAPP                  ";
+  case CO_E_DLLNOTFOUND                 :
+    return "CO_E_DLLNOTFOUND                 ";
+  case CO_E_ERRORINDLL                  :
+    return "CO_E_ERRORINDLL                  ";
+  case CO_E_WRONGOSFORAPP               :
+    return "CO_E_WRONGOSFORAPP               ";
+  case CO_E_OBJNOTREG                   :
+    return "CO_E_OBJNOTREG                   ";
+  case CO_E_OBJISREG                    :
+    return "CO_E_OBJISREG                    ";
+  case CO_E_OBJNOTCONNECTED             :
+    return "CO_E_OBJNOTCONNECTED             ";
+  case CO_E_APPDIDNTREG                 :
+    return "CO_E_APPDIDNTREG                 ";
+  case CO_E_RELEASED                    :
+    return "CO_E_RELEASED                    ";
+  case CO_E_FAILEDTOIMPERSONATE         :
+    return "CO_E_FAILEDTOIMPERSONATE         ";
+  case CO_E_FAILEDTOGETSECCTX           :
+    return "CO_E_FAILEDTOGETSECCTX           ";
+  case CO_E_FAILEDTOOPENTHREADTOKEN     :
+    return "CO_E_FAILEDTOOPENTHREADTOKEN     ";
+  case CO_E_FAILEDTOGETTOKENINFO        :
+    return "CO_E_FAILEDTOGETTOKENINFO        ";
+  case CO_E_TRUSTEEDOESNTMATCHCLIENT    :
+    return "CO_E_TRUSTEEDOESNTMATCHCLIENT    ";
+  case CO_E_FAILEDTOQUERYCLIENTBLANKET  :
+    return "CO_E_FAILEDTOQUERYCLIENTBLANKET  ";
+  case CO_E_FAILEDTOSETDACL             :
+    return "CO_E_FAILEDTOSETDACL             ";
+  case CO_E_ACCESSCHECKFAILED           :
+    return "CO_E_ACCESSCHECKFAILED           ";
+  case CO_E_NETACCESSAPIFAILED          :
+    return "CO_E_NETACCESSAPIFAILED          ";
+  case CO_E_WRONGTRUSTEENAMESYNTAX      :
+    return "CO_E_WRONGTRUSTEENAMESYNTAX      ";
+  case CO_E_INVALIDSID                  :
+    return "CO_E_INVALIDSID                  ";
+  case CO_E_CONVERSIONFAILED            :
+    return "CO_E_CONVERSIONFAILED            ";
+  case CO_E_NOMATCHINGSIDFOUND          :
+    return "CO_E_NOMATCHINGSIDFOUND          ";
+  case CO_E_LOOKUPACCSIDFAILED          :
+    return "CO_E_LOOKUPACCSIDFAILED          ";
+  case CO_E_NOMATCHINGNAMEFOUND         :
+    return "CO_E_NOMATCHINGNAMEFOUND         ";
+  case CO_E_LOOKUPACCNAMEFAILED         :
+    return "CO_E_LOOKUPACCNAMEFAILED         ";
+  case CO_E_SETSERLHNDLFAILED           :
+    return "CO_E_SETSERLHNDLFAILED           ";
+  case CO_E_FAILEDTOGETWINDIR           :
+    return "CO_E_FAILEDTOGETWINDIR           ";
+  case CO_E_PATHTOOLONG                 :
+    return "CO_E_PATHTOOLONG                 ";
+  case CO_E_FAILEDTOGENUUID             :
+    return "CO_E_FAILEDTOGENUUID             ";
+  case CO_E_FAILEDTOCREATEFILE          :
+    return "CO_E_FAILEDTOCREATEFILE          ";
+  case CO_E_FAILEDTOCLOSEHANDLE         :
+    return "CO_E_FAILEDTOCLOSEHANDLE         ";
+  case CO_E_EXCEEDSYSACLLIMIT           :
+    return "CO_E_EXCEEDSYSACLLIMIT           ";
+  case CO_E_ACESINWRONGORDER            :
+    return "CO_E_ACESINWRONGORDER            ";
+  case CO_E_INCOMPATIBLESTREAMVERSION   :
+    return "CO_E_INCOMPATIBLESTREAMVERSION   ";
+  case CO_E_FAILEDTOOPENPROCESSTOKEN    :
+    return "CO_E_FAILEDTOOPENPROCESSTOKEN    ";
+  case CO_E_DECODEFAILED                :
+    return "CO_E_DECODEFAILED                ";
+  case CO_E_ACNOTINITIALIZED            :
+    return "CO_E_ACNOTINITIALIZED            ";
+  case OLE_S_USEREG                     :
+    return "OLE_S_USEREG                     ";
+  case OLE_S_STATIC                     :
+    return "OLE_S_STATIC                     ";
+  case OLE_S_MAC_CLIPFORMAT             :
+    return "OLE_S_MAC_CLIPFORMAT             ";
+  case DRAGDROP_S_DROP                  :
+    return "DRAGDROP_S_DROP                  ";
+  case DRAGDROP_S_CANCEL                :
+    return "DRAGDROP_S_CANCEL                ";
+  case DRAGDROP_S_USEDEFAULTCURSORS     :
+    return "DRAGDROP_S_USEDEFAULTCURSORS     ";
+  case DATA_S_SAMEFORMATETC             :
+    return "DATA_S_SAMEFORMATETC             ";
+  case VIEW_S_ALREADY_FROZEN            :
+    return "VIEW_S_ALREADY_FROZEN            ";
+  case CACHE_S_FORMATETC_NOTSUPPORTED   :
+    return "CACHE_S_FORMATETC_NOTSUPPORTED   ";
+  case CACHE_S_SAMECACHE                :
+    return "CACHE_S_SAMECACHE                ";
+  case CACHE_S_SOMECACHES_NOTUPDATED    :
+    return "CACHE_S_SOMECACHES_NOTUPDATED    ";
+  case OLEOBJ_S_INVALIDVERB             :
+    return "OLEOBJ_S_INVALIDVERB             ";
+  case OLEOBJ_S_CANNOT_DOVERB_NOW       :
+    return "OLEOBJ_S_CANNOT_DOVERB_NOW       ";
+  case OLEOBJ_S_INVALIDHWND             :
+    return "OLEOBJ_S_INVALIDHWND             ";
+  case INPLACE_S_TRUNCATED              :
+    return "INPLACE_S_TRUNCATED              ";
+  case CONVERT10_S_NO_PRESENTATION      :
+    return "CONVERT10_S_NO_PRESENTATION      ";
+  case MK_S_REDUCED_TO_SELF             :
+    return "MK_S_REDUCED_TO_SELF             ";
+  case MK_S_ME                          :
+    return "MK_S_ME                          ";
+  case MK_S_HIM                         :
+    return "MK_S_HIM                         ";
+  case MK_S_US                          :
+    return "MK_S_US                          ";
+  case MK_S_MONIKERALREADYREGISTERED    :
+    return "MK_S_MONIKERALREADYREGISTERED    ";
+  case CO_E_CLASS_CREATE_FAILED         :
+    return "CO_E_CLASS_CREATE_FAILED         ";
+  case CO_E_SCM_ERROR                   :
+    return "CO_E_SCM_ERROR                   ";
+  case CO_E_SCM_RPC_FAILURE             :
+    return "CO_E_SCM_RPC_FAILURE             ";
+  case CO_E_BAD_PATH                    :
+    return "CO_E_BAD_PATH                    ";
+  case CO_E_SERVER_EXEC_FAILURE         :
+    return "CO_E_SERVER_EXEC_FAILURE         ";
+  case CO_E_OBJSRV_RPC_FAILURE          :
+    return "CO_E_OBJSRV_RPC_FAILURE          ";
+  case MK_E_NO_NORMALIZED               :
+    return "MK_E_NO_NORMALIZED               ";
+  case CO_E_SERVER_STOPPING             :
+    return "CO_E_SERVER_STOPPING             ";
+  case MEM_E_INVALID_ROOT               :
+    return "MEM_E_INVALID_ROOT               ";
+  case MEM_E_INVALID_LINK               :
+    return "MEM_E_INVALID_LINK               ";
+  case MEM_E_INVALID_SIZE               :
+    return "MEM_E_INVALID_SIZE               ";
+  case CO_S_NOTALLINTERFACES            :
+    return "CO_S_NOTALLINTERFACES            ";
+  case DISP_E_UNKNOWNINTERFACE          :
+    return "DISP_E_UNKNOWNINTERFACE          ";
+  case DISP_E_MEMBERNOTFOUND            :
+    return "DISP_E_MEMBERNOTFOUND            ";
+  case DISP_E_PARAMNOTFOUND             :
+    return "DISP_E_PARAMNOTFOUND             ";
+  case DISP_E_TYPEMISMATCH              :
+    return "DISP_E_TYPEMISMATCH              ";
+  case DISP_E_UNKNOWNNAME               :
+    return "DISP_E_UNKNOWNNAME               ";
+  case DISP_E_NONAMEDARGS               :
+    return "DISP_E_NONAMEDARGS               ";
+  case DISP_E_BADVARTYPE                :
+    return "DISP_E_BADVARTYPE                ";
+  case DISP_E_EXCEPTION                 :
+    return "DISP_E_EXCEPTION                 ";
+  case DISP_E_OVERFLOW                  :
+    return "DISP_E_OVERFLOW                  ";
+  case DISP_E_BADINDEX                  :
+    return "DISP_E_BADINDEX                  ";
+  case DISP_E_UNKNOWNLCID               :
+    return "DISP_E_UNKNOWNLCID               ";
+  case DISP_E_ARRAYISLOCKED             :
+    return "DISP_E_ARRAYISLOCKED             ";
+  case DISP_E_BADPARAMCOUNT             :
+    return "DISP_E_BADPARAMCOUNT             ";
+  case DISP_E_PARAMNOTOPTIONAL          :
+    return "DISP_E_PARAMNOTOPTIONAL          ";
+  case DISP_E_BADCALLEE                 :
+    return "DISP_E_BADCALLEE                 ";
+  case DISP_E_NOTACOLLECTION            :
+    return "DISP_E_NOTACOLLECTION            ";
+  case DISP_E_DIVBYZERO                 :
+    return "DISP_E_DIVBYZERO                 ";
+  case TYPE_E_BUFFERTOOSMALL            :
+    return "TYPE_E_BUFFERTOOSMALL            ";
+  case TYPE_E_FIELDNOTFOUND             :
+    return "TYPE_E_FIELDNOTFOUND             ";
+  case TYPE_E_INVDATAREAD               :
+    return "TYPE_E_INVDATAREAD               ";
+  case TYPE_E_UNSUPFORMAT               :
+    return "TYPE_E_UNSUPFORMAT               ";
+  case TYPE_E_REGISTRYACCESS            :
+    return "TYPE_E_REGISTRYACCESS            ";
+  case TYPE_E_LIBNOTREGISTERED          :
+    return "TYPE_E_LIBNOTREGISTERED          ";
+  case TYPE_E_UNDEFINEDTYPE             :
+    return "TYPE_E_UNDEFINEDTYPE             ";
+  case TYPE_E_QUALIFIEDNAMEDISALLOWED   :
+    return "TYPE_E_QUALIFIEDNAMEDISALLOWED   ";
+  case TYPE_E_INVALIDSTATE              :
+    return "TYPE_E_INVALIDSTATE              ";
+  case TYPE_E_WRONGTYPEKIND             :
+    return "TYPE_E_WRONGTYPEKIND             ";
+  case TYPE_E_ELEMENTNOTFOUND           :
+    return "TYPE_E_ELEMENTNOTFOUND           ";
+  case TYPE_E_AMBIGUOUSNAME             :
+    return "TYPE_E_AMBIGUOUSNAME             ";
+  case TYPE_E_NAMECONFLICT              :
+    return "TYPE_E_NAMECONFLICT              ";
+  case TYPE_E_UNKNOWNLCID               :
+    return "TYPE_E_UNKNOWNLCID               ";
+  case TYPE_E_DLLFUNCTIONNOTFOUND       :
+    return "TYPE_E_DLLFUNCTIONNOTFOUND       ";
+  case TYPE_E_BADMODULEKIND             :
+    return "TYPE_E_BADMODULEKIND             ";
+  case TYPE_E_SIZETOOBIG                :
+    return "TYPE_E_SIZETOOBIG                ";
+  case TYPE_E_DUPLICATEID               :
+    return "TYPE_E_DUPLICATEID               ";
+  case TYPE_E_INVALIDID                 :
+    return "TYPE_E_INVALIDID                 ";
+  case TYPE_E_TYPEMISMATCH              :
+    return "TYPE_E_TYPEMISMATCH              ";
+  case TYPE_E_OUTOFBOUNDS               :
+    return "TYPE_E_OUTOFBOUNDS               ";
+  case TYPE_E_IOERROR                   :
+    return "TYPE_E_IOERROR                   ";
+  case TYPE_E_CANTCREATETMPFILE         :
+    return "TYPE_E_CANTCREATETMPFILE         ";
+  case TYPE_E_CANTLOADLIBRARY           :
+    return "TYPE_E_CANTLOADLIBRARY           ";
+  case TYPE_E_INCONSISTENTPROPFUNCS     :
+    return "TYPE_E_INCONSISTENTPROPFUNCS     ";
+  case TYPE_E_CIRCULARTYPE              :
+    return "TYPE_E_CIRCULARTYPE              ";
+  case STG_E_INVALIDFUNCTION            :
+    return "STG_E_INVALIDFUNCTION            ";
+  case STG_E_FILENOTFOUND               :
+    return "STG_E_FILENOTFOUND               ";
+  case STG_E_PATHNOTFOUND               :
+    return "STG_E_PATHNOTFOUND               ";
+  case STG_E_TOOMANYOPENFILES           :
+    return "STG_E_TOOMANYOPENFILES           ";
+  case STG_E_ACCESSDENIED               :
+    return "STG_E_ACCESSDENIED               ";
+  case STG_E_INVALIDHANDLE              :
+    return "STG_E_INVALIDHANDLE              ";
+  case STG_E_INSUFFICIENTMEMORY         :
+    return "STG_E_INSUFFICIENTMEMORY         ";
+  case STG_E_INVALIDPOINTER             :
+    return "STG_E_INVALIDPOINTER             ";
+  case STG_E_NOMOREFILES                :
+    return "STG_E_NOMOREFILES                ";
+  case STG_E_DISKISWRITEPROTECTED       :
+    return "STG_E_DISKISWRITEPROTECTED       ";
+  case STG_E_SEEKERROR                  :
+    return "STG_E_SEEKERROR                  ";
+  case STG_E_WRITEFAULT                 :
+    return "STG_E_WRITEFAULT                 ";
+  case STG_E_READFAULT                  :
+    return "STG_E_READFAULT                  ";
+  case STG_E_SHAREVIOLATION             :
+    return "STG_E_SHAREVIOLATION             ";
+  case STG_E_LOCKVIOLATION              :
+    return "STG_E_LOCKVIOLATION              ";
+  case STG_E_FILEALREADYEXISTS          :
+    return "STG_E_FILEALREADYEXISTS          ";
+  case STG_E_INVALIDPARAMETER           :
+    return "STG_E_INVALIDPARAMETER           ";
+  case STG_E_MEDIUMFULL                 :
+    return "STG_E_MEDIUMFULL                 ";
+  case STG_E_PROPSETMISMATCHED          :
+    return "STG_E_PROPSETMISMATCHED          ";
+  case STG_E_ABNORMALAPIEXIT            :
+    return "STG_E_ABNORMALAPIEXIT            ";
+  case STG_E_INVALIDHEADER              :
+    return "STG_E_INVALIDHEADER              ";
+  case STG_E_INVALIDNAME                :
+    return "STG_E_INVALIDNAME                ";
+  case STG_E_UNKNOWN                    :
+    return "STG_E_UNKNOWN                    ";
+  case STG_E_UNIMPLEMENTEDFUNCTION      :
+    return "STG_E_UNIMPLEMENTEDFUNCTION      ";
+  case STG_E_INVALIDFLAG                :
+    return "STG_E_INVALIDFLAG                ";
+  case STG_E_INUSE                      :
+    return "STG_E_INUSE                      ";
+  case STG_E_NOTCURRENT                 :
+    return "STG_E_NOTCURRENT                 ";
+  case STG_E_REVERTED                   :
+    return "STG_E_REVERTED                   ";
+  case STG_E_CANTSAVE                   :
+    return "STG_E_CANTSAVE                   ";
+  case STG_E_OLDFORMAT                  :
+    return "STG_E_OLDFORMAT                  ";
+  case STG_E_OLDDLL                     :
+    return "STG_E_OLDDLL                     ";
+  case STG_E_SHAREREQUIRED              :
+    return "STG_E_SHAREREQUIRED              ";
+  case STG_E_NOTFILEBASEDSTORAGE        :
+    return "STG_E_NOTFILEBASEDSTORAGE        ";
+  case STG_E_EXTANTMARSHALLINGS         :
+    return "STG_E_EXTANTMARSHALLINGS         ";
+  case STG_E_DOCFILECORRUPT             :
+    return "STG_E_DOCFILECORRUPT             ";
+  case STG_E_BADBASEADDRESS             :
+    return "STG_E_BADBASEADDRESS             ";
+  case STG_E_INCOMPLETE                 :
+    return "STG_E_INCOMPLETE                 ";
+  case STG_E_TERMINATED                 :
+    return "STG_E_TERMINATED                 ";
+  case STG_S_CONVERTED                  :
+    return "STG_S_CONVERTED                  ";
+  case STG_S_BLOCK                      :
+    return "STG_S_BLOCK                      ";
+  case STG_S_RETRYNOW                   :
+    return "STG_S_RETRYNOW                   ";
+  case STG_S_MONITORING                 :
+    return "STG_S_MONITORING                 ";
+  case STG_S_MULTIPLEOPENS              :
+    return "STG_S_MULTIPLEOPENS              ";
+  case STG_S_CONSOLIDATIONFAILED        :
+    return "STG_S_CONSOLIDATIONFAILED        ";
+  case STG_S_CANNOTCONSOLIDATE          :
+    return "STG_S_CANNOTCONSOLIDATE          ";
+  case RPC_E_CALL_REJECTED              :
+    return "RPC_E_CALL_REJECTED              ";
+  case RPC_E_CALL_CANCELED              :
+    return "RPC_E_CALL_CANCELED              ";
+  case RPC_E_CANTPOST_INSENDCALL        :
+    return "RPC_E_CANTPOST_INSENDCALL        ";
+  case RPC_E_CANTCALLOUT_INASYNCCALL    :
+    return "RPC_E_CANTCALLOUT_INASYNCCALL    ";
+  case RPC_E_CANTCALLOUT_INEXTERNALCALL :
+    return "RPC_E_CANTCALLOUT_INEXTERNALCALL ";
+  case RPC_E_CONNECTION_TERMINATED      :
+    return "RPC_E_CONNECTION_TERMINATED      ";
+  case RPC_E_SERVER_DIED                :
+    return "RPC_E_SERVER_DIED                ";
+  case RPC_E_CLIENT_DIED                :
+    return "RPC_E_CLIENT_DIED                ";
+  case RPC_E_INVALID_DATAPACKET         :
+    return "RPC_E_INVALID_DATAPACKET         ";
+  case RPC_E_CANTTRANSMIT_CALL          :
+    return "RPC_E_CANTTRANSMIT_CALL          ";
+  case RPC_E_CLIENT_CANTMARSHAL_DATA    :
+    return "RPC_E_CLIENT_CANTMARSHAL_DATA    ";
+  case RPC_E_CLIENT_CANTUNMARSHAL_DATA  :
+    return "RPC_E_CLIENT_CANTUNMARSHAL_DATA  ";
+  case RPC_E_SERVER_CANTMARSHAL_DATA    :
+    return "RPC_E_SERVER_CANTMARSHAL_DATA    ";
+  case RPC_E_SERVER_CANTUNMARSHAL_DATA  :
+    return "RPC_E_SERVER_CANTUNMARSHAL_DATA  ";
+  case RPC_E_INVALID_DATA               :
+    return "RPC_E_INVALID_DATA               ";
+  case RPC_E_INVALID_PARAMETER          :
+    return "RPC_E_INVALID_PARAMETER          ";
+  case RPC_E_CANTCALLOUT_AGAIN          :
+    return "RPC_E_CANTCALLOUT_AGAIN          ";
+  case RPC_E_SERVER_DIED_DNE            :
+    return "RPC_E_SERVER_DIED_DNE            ";
+  case RPC_E_SYS_CALL_FAILED            :
+    return "RPC_E_SYS_CALL_FAILED            ";
+  case RPC_E_OUT_OF_RESOURCES           :
+    return "RPC_E_OUT_OF_RESOURCES           ";
+  case RPC_E_ATTEMPTED_MULTITHREAD      :
+    return "RPC_E_ATTEMPTED_MULTITHREAD      ";
+  case RPC_E_NOT_REGISTERED             :
+    return "RPC_E_NOT_REGISTERED             ";
+  case RPC_E_FAULT                      :
+    return "RPC_E_FAULT                      ";
+  case RPC_E_SERVERFAULT                :
+    return "RPC_E_SERVERFAULT                ";
+  case RPC_E_CHANGED_MODE               :
+    return "RPC_E_CHANGED_MODE               ";
+  case RPC_E_INVALIDMETHOD              :
+    return "RPC_E_INVALIDMETHOD              ";
+  case RPC_E_DISCONNECTED               :
+    return "RPC_E_DISCONNECTED               ";
+  case RPC_E_RETRY                      :
+    return "RPC_E_RETRY                      ";
+  case RPC_E_SERVERCALL_RETRYLATER      :
+    return "RPC_E_SERVERCALL_RETRYLATER      ";
+  case RPC_E_SERVERCALL_REJECTED        :
+    return "RPC_E_SERVERCALL_REJECTED        ";
+  case RPC_E_INVALID_CALLDATA           :
+    return "RPC_E_INVALID_CALLDATA           ";
+  case RPC_E_CANTCALLOUT_ININPUTSYNCCALL :
+    return "RPC_E_CANTCALLOUT_ININPUTSYNCCALL ";
+  case RPC_E_WRONG_THREAD               :
+    return "RPC_E_WRONG_THREAD               ";
+  case RPC_E_THREAD_NOT_INIT            :
+    return "RPC_E_THREAD_NOT_INIT            ";
+  case RPC_E_VERSION_MISMATCH           :
+    return "RPC_E_VERSION_MISMATCH           ";
+  case RPC_E_INVALID_HEADER             :
+    return "RPC_E_INVALID_HEADER             ";
+  case RPC_E_INVALID_EXTENSION          :
+    return "RPC_E_INVALID_EXTENSION          ";
+  case RPC_E_INVALID_IPID               :
+    return "RPC_E_INVALID_IPID               ";
+  case RPC_E_INVALID_OBJECT             :
+    return "RPC_E_INVALID_OBJECT             ";
+  case RPC_S_CALLPENDING                :
+    return "RPC_S_CALLPENDING                ";
+  case RPC_S_WAITONTIMER                :
+    return "RPC_S_WAITONTIMER                ";
+  case RPC_E_CALL_COMPLETE              :
+    return "RPC_E_CALL_COMPLETE              ";
+  case RPC_E_UNSECURE_CALL              :
+    return "RPC_E_UNSECURE_CALL              ";
+  case RPC_E_TOO_LATE                   :
+    return "RPC_E_TOO_LATE                   ";
+  case RPC_E_NO_GOOD_SECURITY_PACKAGES  :
+    return "RPC_E_NO_GOOD_SECURITY_PACKAGES  ";
+  case RPC_E_ACCESS_DENIED              :
+    return "RPC_E_ACCESS_DENIED              ";
+  case RPC_E_REMOTE_DISABLED            :
+    return "RPC_E_REMOTE_DISABLED            ";
+  case RPC_E_INVALID_OBJREF             :
+    return "RPC_E_INVALID_OBJREF             ";
+  case RPC_E_NO_CONTEXT                 :
+    return "RPC_E_NO_CONTEXT                 ";
+  case RPC_E_TIMEOUT                    :
+    return "RPC_E_TIMEOUT                    ";
+  case RPC_E_NO_SYNC                    :
+    return "RPC_E_NO_SYNC                    ";
+  case RPC_E_UNEXPECTED                 :
+    return "RPC_E_UNEXPECTED                 ";
+  case NTE_BAD_UID                      :
+    return "NTE_BAD_UID                      ";
+  case NTE_BAD_HASH                     :
+    return "NTE_BAD_HASH                     ";
+    //case NTE_BAD_HASH                     :
+    //return "NTE_BAD_HASH                     ";
+  case NTE_BAD_KEY                      :
+    return "NTE_BAD_KEY                      ";
+  case NTE_BAD_LEN                      :
+    return "NTE_BAD_LEN                      ";
+  case NTE_BAD_DATA                     :
+    return "NTE_BAD_DATA                     ";
+  case NTE_BAD_SIGNATURE                :
+    return "NTE_BAD_SIGNATURE                ";
+  case NTE_BAD_VER                      :
+    return "NTE_BAD_VER                      ";
+  case NTE_BAD_ALGID                    :
+    return "NTE_BAD_ALGID                    ";
+  case NTE_BAD_FLAGS                    :
+    return "NTE_BAD_FLAGS                    ";
+  case NTE_BAD_TYPE                     :
+    return "NTE_BAD_TYPE                     ";
+  case NTE_BAD_KEY_STATE                :
+    return "NTE_BAD_KEY_STATE                ";
+  case NTE_BAD_HASH_STATE               :
+    return "NTE_BAD_HASH_STATE               ";
+  case NTE_NO_KEY                       :
+    return "NTE_NO_KEY                       ";
+  case NTE_NO_MEMORY                    :
+    return "NTE_NO_MEMORY                    ";
+  case NTE_EXISTS                       :
+    return "NTE_EXISTS                       ";
+  case NTE_PERM                         :
+    return "NTE_PERM                         ";
+  case NTE_NOT_FOUND                    :
+    return "NTE_NOT_FOUND                    ";
+  case NTE_DOUBLE_ENCRYPT               :
+    return "NTE_DOUBLE_ENCRYPT               ";
+  case NTE_BAD_PROVIDER                 :
+    return "NTE_BAD_PROVIDER                 ";
+  case NTE_BAD_PROV_TYPE                :
+    return "NTE_BAD_PROV_TYPE                ";
+  case NTE_BAD_PUBLIC_KEY               :
+    return "NTE_BAD_PUBLIC_KEY               ";
+  case NTE_BAD_KEYSET                   :
+    return "NTE_BAD_KEYSET                   ";
+  case NTE_PROV_TYPE_NOT_DEF            :
+    return "NTE_PROV_TYPE_NOT_DEF            ";
+  case NTE_PROV_TYPE_ENTRY_BAD          :
+    return "NTE_PROV_TYPE_ENTRY_BAD          ";
+  case NTE_KEYSET_NOT_DEF               :
+    return "NTE_KEYSET_NOT_DEF               ";
+  case NTE_KEYSET_ENTRY_BAD             :
+    return "NTE_KEYSET_ENTRY_BAD             ";
+  case NTE_PROV_TYPE_NO_MATCH           :
+    return "NTE_PROV_TYPE_NO_MATCH           ";
+  case NTE_SIGNATURE_FILE_BAD           :
+    return "NTE_SIGNATURE_FILE_BAD           ";
+  case NTE_PROVIDER_DLL_FAIL            :
+    return "NTE_PROVIDER_DLL_FAIL            ";
+  case NTE_PROV_DLL_NOT_FOUND           :
+    return "NTE_PROV_DLL_NOT_FOUND           ";
+  case NTE_BAD_KEYSET_PARAM             :
+    return "NTE_BAD_KEYSET_PARAM             ";
+  case NTE_FAIL                         :
+    return "NTE_FAIL                         ";
+  case NTE_SYS_ERR                      :
+    return "NTE_SYS_ERR                      ";
+  case CRYPT_E_MSG_ERROR                :
+    return "CRYPT_E_MSG_ERROR                ";
+  case CRYPT_E_UNKNOWN_ALGO             :
+    return "CRYPT_E_UNKNOWN_ALGO             ";
+  case CRYPT_E_OID_FORMAT               :
+    return "CRYPT_E_OID_FORMAT               ";
+  case CRYPT_E_INVALID_MSG_TYPE         :
+    return "CRYPT_E_INVALID_MSG_TYPE         ";
+  case CRYPT_E_UNEXPECTED_ENCODING      :
+    return "CRYPT_E_UNEXPECTED_ENCODING      ";
+  case CRYPT_E_AUTH_ATTR_MISSING        :
+    return "CRYPT_E_AUTH_ATTR_MISSING        ";
+  case CRYPT_E_HASH_VALUE               :
+    return "CRYPT_E_HASH_VALUE               ";
+  case CRYPT_E_INVALID_INDEX            :
+    return "CRYPT_E_INVALID_INDEX            ";
+  case CRYPT_E_ALREADY_DECRYPTED        :
+    return "CRYPT_E_ALREADY_DECRYPTED        ";
+  case CRYPT_E_NOT_DECRYPTED            :
+    return "CRYPT_E_NOT_DECRYPTED            ";
+  case CRYPT_E_RECIPIENT_NOT_FOUND      :
+    return "CRYPT_E_RECIPIENT_NOT_FOUND      ";
+  case CRYPT_E_CONTROL_TYPE             :
+    return "CRYPT_E_CONTROL_TYPE             ";
+  case CRYPT_E_ISSUER_SERIALNUMBER      :
+    return "CRYPT_E_ISSUER_SERIALNUMBER      ";
+  case CRYPT_E_SIGNER_NOT_FOUND         :
+    return "CRYPT_E_SIGNER_NOT_FOUND         ";
+  case CRYPT_E_ATTRIBUTES_MISSING       :
+    return "CRYPT_E_ATTRIBUTES_MISSING       ";
+  case CRYPT_E_STREAM_MSG_NOT_READY     :
+    return "CRYPT_E_STREAM_MSG_NOT_READY     ";
+  case CRYPT_E_STREAM_INSUFFICIENT_DATA :
+    return "CRYPT_E_STREAM_INSUFFICIENT_DATA ";
+  case CRYPT_E_BAD_LEN                  :
+    return "CRYPT_E_BAD_LEN                  ";
+  case CRYPT_E_BAD_ENCODE               :
+    return "CRYPT_E_BAD_ENCODE               ";
+  case CRYPT_E_FILE_ERROR               :
+    return "CRYPT_E_FILE_ERROR               ";
+  case CRYPT_E_NOT_FOUND                :
+    return "CRYPT_E_NOT_FOUND                ";
+  case CRYPT_E_EXISTS                   :
+    return "CRYPT_E_EXISTS                   ";
+  case CRYPT_E_NO_PROVIDER              :
+    return "CRYPT_E_NO_PROVIDER              ";
+  case CRYPT_E_SELF_SIGNED              :
+    return "CRYPT_E_SELF_SIGNED              ";
+  case CRYPT_E_DELETED_PREV             :
+    return "CRYPT_E_DELETED_PREV             ";
+  case CRYPT_E_NO_MATCH                 :
+    return "CRYPT_E_NO_MATCH                 ";
+  case CRYPT_E_UNEXPECTED_MSG_TYPE      :
+    return "CRYPT_E_UNEXPECTED_MSG_TYPE      ";
+  case CRYPT_E_NO_KEY_PROPERTY          :
+    return "CRYPT_E_NO_KEY_PROPERTY          ";
+  case CRYPT_E_NO_DECRYPT_CERT          :
+    return "CRYPT_E_NO_DECRYPT_CERT          ";
+  case CRYPT_E_BAD_MSG                  :
+    return "CRYPT_E_BAD_MSG                  ";
+  case CRYPT_E_NO_SIGNER                :
+    return "CRYPT_E_NO_SIGNER                ";
+  case CRYPT_E_PENDING_CLOSE            :
+    return "CRYPT_E_PENDING_CLOSE            ";
+  case CRYPT_E_REVOKED                  :
+    return "CRYPT_E_REVOKED                  ";
+  case CRYPT_E_NO_REVOCATION_DLL        :
+    return "CRYPT_E_NO_REVOCATION_DLL        ";
+  case CRYPT_E_NO_REVOCATION_CHECK      :
+    return "CRYPT_E_NO_REVOCATION_CHECK      ";
+  case CRYPT_E_REVOCATION_OFFLINE       :
+    return "CRYPT_E_REVOCATION_OFFLINE       ";
+  case CRYPT_E_NOT_IN_REVOCATION_DATABASE :
+    return "CRYPT_E_NOT_IN_REVOCATION_DATABASE ";
+  case CRYPT_E_INVALID_NUMERIC_STRING   :
+    return "CRYPT_E_INVALID_NUMERIC_STRING   ";
+  case CRYPT_E_INVALID_PRINTABLE_STRING :
+    return "CRYPT_E_INVALID_PRINTABLE_STRING ";
+  case CRYPT_E_INVALID_IA5_STRING       :
+    return "CRYPT_E_INVALID_IA5_STRING       ";
+  case CRYPT_E_INVALID_X500_STRING      :
+    return "CRYPT_E_INVALID_X500_STRING      ";
+  case CRYPT_E_NOT_CHAR_STRING          :
+    return "CRYPT_E_NOT_CHAR_STRING          ";
+  case CRYPT_E_FILERESIZED              :
+    return "CRYPT_E_FILERESIZED              ";
+  case CRYPT_E_SECURITY_SETTINGS        :
+    return "CRYPT_E_SECURITY_SETTINGS        ";
+  case CRYPT_E_NO_VERIFY_USAGE_DLL      :
+    return "CRYPT_E_NO_VERIFY_USAGE_DLL      ";
+  case CRYPT_E_NO_VERIFY_USAGE_CHECK    :
+    return "CRYPT_E_NO_VERIFY_USAGE_CHECK    ";
+  case CRYPT_E_VERIFY_USAGE_OFFLINE     :
+    return "CRYPT_E_VERIFY_USAGE_OFFLINE     ";
+  case CRYPT_E_NOT_IN_CTL               :
+    return "CRYPT_E_NOT_IN_CTL               ";
+  case CRYPT_E_NO_TRUSTED_SIGNER        :
+    return "CRYPT_E_NO_TRUSTED_SIGNER        ";
+  case CRYPT_E_OSS_ERROR                :
+    return "CRYPT_E_OSS_ERROR                ";
+  case CERTSRV_E_BAD_REQUESTSUBJECT     :
+    return "CERTSRV_E_BAD_REQUESTSUBJECT     ";
+  case CERTSRV_E_NO_REQUEST             :
+    return "CERTSRV_E_NO_REQUEST             ";
+  case CERTSRV_E_BAD_REQUESTSTATUS      :
+    return "CERTSRV_E_BAD_REQUESTSTATUS      ";
+  case CERTSRV_E_PROPERTY_EMPTY         :
+    return "CERTSRV_E_PROPERTY_EMPTY         ";
+    //case CERTDB_E_JET_ERROR               :
+    //return "CERTDB_E_JET_ERROR               ";
+  case TRUST_E_SYSTEM_ERROR             :
+    return "TRUST_E_SYSTEM_ERROR             ";
+  case TRUST_E_NO_SIGNER_CERT           :
+    return "TRUST_E_NO_SIGNER_CERT           ";
+  case TRUST_E_COUNTER_SIGNER           :
+    return "TRUST_E_COUNTER_SIGNER           ";
+  case TRUST_E_CERT_SIGNATURE           :
+    return "TRUST_E_CERT_SIGNATURE           ";
+  case TRUST_E_TIME_STAMP               :
+    return "TRUST_E_TIME_STAMP               ";
+  case TRUST_E_BAD_DIGEST               :
+    return "TRUST_E_BAD_DIGEST               ";
+  case TRUST_E_BASIC_CONSTRAINTS        :
+    return "TRUST_E_BASIC_CONSTRAINTS        ";
+  case TRUST_E_FINANCIAL_CRITERIA       :
+    return "TRUST_E_FINANCIAL_CRITERIA       ";
+  case TRUST_E_PROVIDER_UNKNOWN         :
+    return "TRUST_E_PROVIDER_UNKNOWN         ";
+  case TRUST_E_ACTION_UNKNOWN           :
+    return "TRUST_E_ACTION_UNKNOWN           ";
+  case TRUST_E_SUBJECT_FORM_UNKNOWN     :
+    return "TRUST_E_SUBJECT_FORM_UNKNOWN     ";
+  case TRUST_E_SUBJECT_NOT_TRUSTED      :
+    return "TRUST_E_SUBJECT_NOT_TRUSTED      ";
+  case DIGSIG_E_ENCODE                  :
+    return "DIGSIG_E_ENCODE                  ";
+  case DIGSIG_E_DECODE                  :
+    return "DIGSIG_E_DECODE                  ";
+  case DIGSIG_E_EXTENSIBILITY           :
+    return "DIGSIG_E_EXTENSIBILITY           ";
+  case DIGSIG_E_CRYPTO                  :
+    return "DIGSIG_E_CRYPTO                  ";
+  case PERSIST_E_SIZEDEFINITE           :
+    return "PERSIST_E_SIZEDEFINITE           ";
+  case PERSIST_E_SIZEINDEFINITE         :
+    return "PERSIST_E_SIZEINDEFINITE         ";
+  case PERSIST_E_NOTSELFSIZING          :
+    return "PERSIST_E_NOTSELFSIZING          ";
+  case TRUST_E_NOSIGNATURE              :
+    return "TRUST_E_NOSIGNATURE              ";
+  case CERT_E_EXPIRED                   :
+    return "CERT_E_EXPIRED                   ";
+  case CERT_E_VALIDITYPERIODNESTING     :
+    return "CERT_E_VALIDITYPERIODNESTING     ";
+  case CERT_E_ROLE                      :
+    return "CERT_E_ROLE                      ";
+  case CERT_E_PATHLENCONST              :
+    return "CERT_E_PATHLENCONST              ";
+  case CERT_E_CRITICAL                  :
+    return "CERT_E_CRITICAL                  ";
+  case CERT_E_PURPOSE                   :
+    return "CERT_E_PURPOSE                   ";
+  case CERT_E_ISSUERCHAINING            :
+    return "CERT_E_ISSUERCHAINING            ";
+  case CERT_E_MALFORMED                 :
+    return "CERT_E_MALFORMED                 ";
+  case CERT_E_UNTRUSTEDROOT             :
+    return "CERT_E_UNTRUSTEDROOT             ";
+  case CERT_E_CHAINING                  :
+    return "CERT_E_CHAINING                  ";
+  case TRUST_E_FAIL                     :
+    return "TRUST_E_FAIL                     ";
+  case CERT_E_REVOKED                   :
+    return "CERT_E_REVOKED                   ";
+  case CERT_E_UNTRUSTEDTESTROOT         :
+    return "CERT_E_UNTRUSTEDTESTROOT         ";
+  case CERT_E_REVOCATION_FAILURE        :
+    return "CERT_E_REVOCATION_FAILURE        ";
+  case CERT_E_CN_NO_MATCH               :
+    return "CERT_E_CN_NO_MATCH               ";
+  case CERT_E_WRONG_USAGE               :
+    return "CERT_E_WRONG_USAGE               ";
+  case SPAPI_E_EXPECTED_SECTION_NAME    :
+    return "SPAPI_E_EXPECTED_SECTION_NAME    ";
+  case SPAPI_E_BAD_SECTION_NAME_LINE    :
+    return "SPAPI_E_BAD_SECTION_NAME_LINE    ";
+  case SPAPI_E_SECTION_NAME_TOO_LONG    :
+    return "SPAPI_E_SECTION_NAME_TOO_LONG    ";
+  case SPAPI_E_GENERAL_SYNTAX           :
+    return "SPAPI_E_GENERAL_SYNTAX           ";
+  case SPAPI_E_WRONG_INF_STYLE          :
+    return "SPAPI_E_WRONG_INF_STYLE          ";
+  case SPAPI_E_SECTION_NOT_FOUND        :
+    return "SPAPI_E_SECTION_NOT_FOUND        ";
+  case SPAPI_E_LINE_NOT_FOUND           :
+    return "SPAPI_E_LINE_NOT_FOUND           ";
+  case SPAPI_E_NO_ASSOCIATED_CLASS      :
+    return "SPAPI_E_NO_ASSOCIATED_CLASS      ";
+  case SPAPI_E_CLASS_MISMATCH           :
+    return "SPAPI_E_CLASS_MISMATCH           ";
+  case SPAPI_E_DUPLICATE_FOUND          :
+    return "SPAPI_E_DUPLICATE_FOUND          ";
+  case SPAPI_E_NO_DRIVER_SELECTED       :
+    return "SPAPI_E_NO_DRIVER_SELECTED       ";
+  case SPAPI_E_KEY_DOES_NOT_EXIST       :
+    return "SPAPI_E_KEY_DOES_NOT_EXIST       ";
+  case SPAPI_E_INVALID_DEVINST_NAME     :
+    return "SPAPI_E_INVALID_DEVINST_NAME     ";
+  case SPAPI_E_INVALID_CLASS            :
+    return "SPAPI_E_INVALID_CLASS            ";
+  case SPAPI_E_DEVINST_ALREADY_EXISTS   :
+    return "SPAPI_E_DEVINST_ALREADY_EXISTS   ";
+  case SPAPI_E_DEVINFO_NOT_REGISTERED   :
+    return "SPAPI_E_DEVINFO_NOT_REGISTERED   ";
+  case SPAPI_E_INVALID_REG_PROPERTY     :
+    return "SPAPI_E_INVALID_REG_PROPERTY     ";
+  case SPAPI_E_NO_INF                   :
+    return "SPAPI_E_NO_INF                   ";
+  case SPAPI_E_NO_SUCH_DEVINST          :
+    return "SPAPI_E_NO_SUCH_DEVINST          ";
+  case SPAPI_E_CANT_LOAD_CLASS_ICON     :
+    return "SPAPI_E_CANT_LOAD_CLASS_ICON     ";
+  case SPAPI_E_INVALID_CLASS_INSTALLER  :
+    return "SPAPI_E_INVALID_CLASS_INSTALLER  ";
+  case SPAPI_E_DI_DO_DEFAULT            :
+    return "SPAPI_E_DI_DO_DEFAULT            ";
+  case SPAPI_E_DI_NOFILECOPY            :
+    return "SPAPI_E_DI_NOFILECOPY            ";
+  case SPAPI_E_INVALID_HWPROFILE        :
+    return "SPAPI_E_INVALID_HWPROFILE        ";
+  case SPAPI_E_NO_DEVICE_SELECTED       :
+    return "SPAPI_E_NO_DEVICE_SELECTED       ";
+  case SPAPI_E_DEVINFO_LIST_LOCKED      :
+    return "SPAPI_E_DEVINFO_LIST_LOCKED      ";
+  case SPAPI_E_DEVINFO_DATA_LOCKED      :
+    return "SPAPI_E_DEVINFO_DATA_LOCKED      ";
+  case SPAPI_E_DI_BAD_PATH              :
+    return "SPAPI_E_DI_BAD_PATH              ";
+  case SPAPI_E_NO_CLASSINSTALL_PARAMS   :
+    return "SPAPI_E_NO_CLASSINSTALL_PARAMS   ";
+  case SPAPI_E_FILEQUEUE_LOCKED         :
+    return "SPAPI_E_FILEQUEUE_LOCKED         ";
+  case SPAPI_E_BAD_SERVICE_INSTALLSECT  :
+    return "SPAPI_E_BAD_SERVICE_INSTALLSECT  ";
+  case SPAPI_E_NO_CLASS_DRIVER_LIST     :
+    return "SPAPI_E_NO_CLASS_DRIVER_LIST     ";
+  case SPAPI_E_NO_ASSOCIATED_SERVICE    :
+    return "SPAPI_E_NO_ASSOCIATED_SERVICE    ";
+  case SPAPI_E_NO_DEFAULT_DEVICE_INTERFACE :
+    return "SPAPI_E_NO_DEFAULT_DEVICE_INTERFACE ";
+  case SPAPI_E_DEVICE_INTERFACE_ACTIVE  :
+    return "SPAPI_E_DEVICE_INTERFACE_ACTIVE  ";
+  case SPAPI_E_DEVICE_INTERFACE_REMOVED :
+    return "SPAPI_E_DEVICE_INTERFACE_REMOVED ";
+  case SPAPI_E_BAD_INTERFACE_INSTALLSECT :
+    return "SPAPI_E_BAD_INTERFACE_INSTALLSECT ";
+  case SPAPI_E_NO_SUCH_INTERFACE_CLASS  :
+    return "SPAPI_E_NO_SUCH_INTERFACE_CLASS  ";
+  case SPAPI_E_INVALID_REFERENCE_STRING :
+    return "SPAPI_E_INVALID_REFERENCE_STRING ";
+  case SPAPI_E_INVALID_MACHINENAME      :
+    return "SPAPI_E_INVALID_MACHINENAME      ";
+  case SPAPI_E_REMOTE_COMM_FAILURE      :
+    return "SPAPI_E_REMOTE_COMM_FAILURE      ";
+  case SPAPI_E_MACHINE_UNAVAILABLE      :
+    return "SPAPI_E_MACHINE_UNAVAILABLE      ";
+  case SPAPI_E_NO_CONFIGMGR_SERVICES    :
+    return "SPAPI_E_NO_CONFIGMGR_SERVICES    ";
+  case SPAPI_E_INVALID_PROPPAGE_PROVIDER :
+    return "SPAPI_E_INVALID_PROPPAGE_PROVIDER ";
+  case SPAPI_E_NO_SUCH_DEVICE_INTERFACE :
+    return "SPAPI_E_NO_SUCH_DEVICE_INTERFACE ";
+  case SPAPI_E_DI_POSTPROCESSING_REQUIRED :
+    return "SPAPI_E_DI_POSTPROCESSING_REQUIRED ";
+  case SPAPI_E_INVALID_COINSTALLER      :
+    return "SPAPI_E_INVALID_COINSTALLER      ";
+  case SPAPI_E_NO_COMPAT_DRIVERS        :
+    return "SPAPI_E_NO_COMPAT_DRIVERS        ";
+  case SPAPI_E_NO_DEVICE_ICON           :
+    return "SPAPI_E_NO_DEVICE_ICON           ";
+  case SPAPI_E_INVALID_INF_LOGCONFIG    :
+    return "SPAPI_E_INVALID_INF_LOGCONFIG    ";
+  case SPAPI_E_DI_DONT_INSTALL          :
+    return "SPAPI_E_DI_DONT_INSTALL          ";
+  case SPAPI_E_INVALID_FILTER_DRIVER    :
+    return "SPAPI_E_INVALID_FILTER_DRIVER    ";
+  case SPAPI_E_ERROR_NOT_INSTALLED      :
+    return "SPAPI_E_ERROR_NOT_INSTALLED      ";
+
+  default:
+    static char buff[1000];
+    sprintf(buff, "Unrecognized error value: %08X\0", error);
+
+    return buff;
+  }
+}

panda/src/wgldisplay/wglGraphicsWindow.h

@@ -39,8 +39,10 @@ public:
   virtual void begin_flip();
 
 protected:
-  virtual bool open_window();
   virtual void close_window();
+  virtual bool open_window();
+  virtual void reconsider_fullscreen_size(DWORD &x_size, DWORD &y_size, 
+                                          DWORD &bitdepth);
 
 private:
   int choose_pfnum() const;