See also:
function CreateCustomForm(const ClientWidth, ClientHeight: Integer; const KeepSizeX, KeepSizeY: Boolean): TSetupForm;
function CreateCustomPage(const AfterID: Integer; const ACaption, ADescription: String): TWizardPage;
function CreateDownloadPage(const ACaption, ADescription: String; const OnDownloadProgress: TOnDownloadProgress): TDownloadWizardPage;
function CreateInputDirPage(const AfterID: Integer; const ACaption, ADescription, ASubCaption: String; AAppendDir: Boolean; ANewFolderName: String): TInputDirWizardPage;
function CreateInputFilePage(const AfterID: Integer; const ACaption, ADescription, ASubCaption: String): TInputFileWizardPage;
function CreateInputOptionPage(const AfterID: Integer; const ACaption, ADescription, ASubCaption: String; Exclusive, ListBox: Boolean): TInputOptionWizardPage;
function CreateInputQueryPage(const AfterID: Integer; const ACaption, ADescription, ASubCaption: String): TInputQueryWizardPage;
function CreateOutputMarqueeProgressPage(const ACaption, ADescription: String): TOutputMarqueeProgressWizardPage;
function CreateOutputMsgMemoPage(const AfterID: Integer; const ACaption, ADescription, ASubCaption: String; const AMsg: AnsiString): TOutputMsgMemoWizardPage;
function CreateOutputMsgPage(const AfterID: Integer; const ACaption, ADescription, AMsg: String): TOutputMsgWizardPage;
function CreateOutputProgressPage(const ACaption, ADescription: String): TOutputProgressWizardPage;

function PageFromID(const ID: Integer): TWizardPage;
function MinimizePathName(const Filename: String; const Font: TFont; MaxLen: Integer): String;