{*****************************************************************************}
{                                                                             }
{    Tnt Delphi Unicode Controls                                              }
{      http://www.tntware.com/delphicontrols/unicode/                         }
{        Version: 2.3.0                                                       }
{                                                                             }
{    Copyright (c) 2002-2007, Troy Wolbrink (troy.wolbrink@tntware.com)       }
{                                                                             }
{*****************************************************************************}

unit TntWindows;

{$INCLUDE TntCompilers.inc}

interface

uses
  Windows, ShellApi, ShlObj;

// ......... compatibility

const
  DT_NOFULLWIDTHCHARBREAK = $00080000;

const
  INVALID_FILE_ATTRIBUTES = DWORD(-1);

// ................ ANSI TYPES ................
{TNT-WARN LPSTR}
{TNT-WARN PLPSTR}
{TNT-WARN LPCSTR}
{TNT-WARN LPCTSTR}
{TNT-WARN LPTSTR}

// ........ EnumResourceTypesW, EnumResourceNamesW and EnumResourceLanguagesW are supposed ....
// ........ to work on Win95/98/ME but have caused access violations in testing on Win95 ......
// .. TNT--WARN EnumResourceTypes ..
// .. TNT--WARN EnumResourceTypesA ..
// .. TNT--WARN EnumResourceNames ..
// .. TNT--WARN EnumResourceNamesA ..
// .. TNT--WARN EnumResourceLanguages ..
// .. TNT--WARN EnumResourceLanguagesA ..

//------------------------------------------------------------------------------------------

// ......... The Unicode form of these functions are supported on Windows 95/98/ME .........
{TNT-WARN ExtTextOut}
{TNT-WARN ExtTextOutA}
{TNT-WARN Tnt_ExtTextOutW}

{TNT-WARN FindResource}
{TNT-WARN FindResourceA}
{TNT-WARN Tnt_FindResourceW}

{TNT-WARN FindResourceEx}
{TNT-WARN FindResourceExA}
{TNT-WARN Tnt_FindResourceExW}

{TNT-WARN GetCharWidth}
{TNT-WARN GetCharWidthA}
{TNT-WARN Tnt_GetCharWidthW}

{TNT-WARN GetCommandLine}
{TNT-WARN GetCommandLineA}
{TNT-WARN Tnt_GetCommandLineW}

{TNT-WARN GetTextExtentPoint}
{TNT-WARN GetTextExtentPointA}
{TNT-WARN Tnt_GetTextExtentPointW}

{TNT-WARN GetTextExtentPoint32}
{TNT-WARN GetTextExtentPoint32A}
{TNT-WARN Tnt_GetTextExtentPoint32W}

{TNT-WARN lstrcat}
{TNT-WARN lstrcatA}
{TNT-WARN Tnt_lstrcatW}

{TNT-WARN lstrcpy}
{TNT-WARN lstrcpyA}
{TNT-WARN Tnt_lstrcpyW}

{TNT-WARN lstrlen}
{TNT-WARN lstrlenA}
{TNT-WARN Tnt_lstrlenW}

{TNT-WARN MessageBox}
{TNT-WARN MessageBoxA}
{TNT-WARN Tnt_MessageBoxW}

{TNT-WARN MessageBoxEx}
{TNT-WARN MessageBoxExA}
{TNT-WARN Tnt_MessageBoxExA}

{TNT-WARN TextOut}
{TNT-WARN TextOutA}
{TNT-WARN Tnt_TextOutW}

//------------------------------------------------------------------------------------------

{TNT-WARN LOCALE_USER_DEFAULT} // <-- use GetThreadLocale
{TNT-WARN LOCALE_SYSTEM_DEFAULT} // <-- use GetThreadLocale

//------------------------------------------------------------------------------------------
//                                     compatiblity
//------------------------------------------------------------------------------------------
{$IFNDEF COMPILER_9_UP}
type
  TStartupInfoA = _STARTUPINFOA;
  TStartupInfoW = record
    cb: DWORD;
    lpReserved: PWideChar;
    lpDesktop: PWideChar;
    lpTitle: PWideChar;
    dwX: DWORD;
    dwY: DWORD;
    dwXSize: DWORD;
    dwYSize: DWORD;
    dwXCountChars: DWORD;
    dwYCountChars: DWORD;
    dwFillAttribute: DWORD;
    dwFlags: DWORD;
    wShowWindow: Word;
    cbReserved2: Word;
    lpReserved2: PByte;
    hStdInput: THandle;
    hStdOutput: THandle;
    hStdError: THandle;
  end;

function CreateProcessW{TNT-ALLOW CreateProcessW}(lpApplicationName: PWideChar; lpCommandLine: PWideChar;
  lpProcessAttributes, lpThreadAttributes: PSecurityAttributes;
  bInheritHandles: BOOL; dwCreationFlags: DWORD; lpEnvironment: Pointer;
  lpCurrentDirectory: PWideChar; const lpStartupInfo: TStartupInfoW;
  var lpProcessInformation: TProcessInformation): BOOL; stdcall; external kernel32 name 'CreateProcessW';

{$ENDIF}
//------------------------------------------------------------------------------------------

{TNT-WARN SetWindowText}
{TNT-WARN SetWindowTextA}
{TNT-WARN SetWindowTextW}
function Tnt_SetWindowTextW(hWnd: HWND; lpString: PWideChar): BOOL;

{TNT-WARN RemoveDirectory}
{TNT-WARN RemoveDirectoryA}
{TNT-WARN RemoveDirectoryW}
function Tnt_RemoveDirectoryW(lpPathName: PWideChar): BOOL;

{TNT-WARN GetShortPathName}
{TNT-WARN GetShortPathNameA}
{TNT-WARN GetShortPathNameW}
function Tnt_GetShortPathNameW(lpszLongPath: PWideChar; lpszShortPath: PWideChar;
  cchBuffer: DWORD): DWORD;

{TNT-WARN GetFullPathName}
{TNT-WARN GetFullPathNameA}
{TNT-WARN GetFullPathNameW}
function Tnt_GetFullPathNameW(lpFileName: PWideChar; nBufferLength: DWORD;
  lpBuffer: PWideChar; var lpFilePart: PWideChar): DWORD;

{TNT-WARN CreateFile}
{TNT-WARN CreateFileA}
{TNT-WARN CreateFileW}
function Tnt_CreateFileW(lpFileName: PWideChar; dwDesiredAccess, dwShareMode: DWORD;
  lpSecurityAttributes: PSecurityAttributes; dwCreationDisposition, dwFlagsAndAttributes: DWORD;
    hTemplateFile: THandle): THandle;

{TNT-WARN FindFirstFile}
{TNT-WARN FindFirstFileA}
{TNT-WARN FindFirstFileW}
function Tnt_FindFirstFileW(lpFileName: PWideChar; var lpFindFileData: TWIN32FindDataW): THandle;

{TNT-WARN FindNextFile}
{TNT-WARN FindNextFileA}
{TNT-WARN FindNextFileW}
function Tnt_FindNextFileW(hFindFile: THandle; var lpFindFileData: TWIN32FindDataW): BOOL;

{TNT-WARN GetFileAttributes}
{TNT-WARN GetFileAttributesA}
{TNT-WARN GetFileAttributesW}
function Tnt_GetFileAttributesW(lpFileName: PWideChar): DWORD;

{TNT-WARN SetFileAttributes}
{TNT-WARN SetFileAttributesA}
{TNT-WARN SetFileAttributesW}
function Tnt_SetFileAttributesW(lpFileName: PWideChar; dwFileAttributes: DWORD): BOOL;

{TNT-WARN CreateDirectory}
{TNT-WARN CreateDirectoryA}
{TNT-WARN CreateDirectoryW}
function Tnt_CreateDirectoryW(lpPathName: PWideChar;
  lpSecurityAttributes: PSecurityAttributes): BOOL;

{TNT-WARN MoveFile}
{TNT-WARN MoveFileA}
{TNT-WARN MoveFileW}
function Tnt_MoveFileW(lpExistingFileName, lpNewFileName: PWideChar): BOOL;

{TNT-WARN CopyFile}
{TNT-WARN CopyFileA}
{TNT-WARN CopyFileW}
function Tnt_CopyFileW(lpExistingFileName, lpNewFileName: PWideChar; bFailIfExists: BOOL): BOOL;

{TNT-WARN DeleteFile}
{TNT-WARN DeleteFileA}
{TNT-WARN DeleteFileW}
function Tnt_DeleteFileW(lpFileName: PWideChar): BOOL;

{TNT-WARN DrawText}
{TNT-WARN DrawTextA}
{TNT-WARN DrawTextW}
function Tnt_DrawTextW(hDC: HDC; lpString: PWideChar; nCount: Integer;
  var lpRect: TRect; uFormat: UINT): Integer;

{TNT-WARN GetDiskFreeSpace}
{TNT-WARN GetDiskFreeSpaceA}
{TNT-WARN GetDiskFreeSpaceW}
function Tnt_GetDiskFreeSpaceW(lpRootPathName: PWideChar; var lpSectorsPerCluster,
  lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters: DWORD): BOOL;

{TNT-WARN GetVolumeInformation}
{TNT-WARN GetVolumeInformationA}
{TNT-WARN GetVolumeInformationW}  
function Tnt_GetVolumeInformationW(lpRootPathName: PWideChar; lpVolumeNameBuffer: PWideChar;
  nVolumeNameSize: DWORD; lpVolumeSerialNumber: PDWORD;
    var lpMaximumComponentLength, lpFileSystemFlags: DWORD; lpFileSystemNameBuffer: PWideChar;
      nFileSystemNameSize: DWORD): BOOL;

{TNT-WARN GetModuleFileName}
{TNT-WARN GetModuleFileNameA}
{TNT-WARN GetModuleFileNameW}
function Tnt_GetModuleFileNameW(hModule: HINST; lpFilename: PWideChar; nSize: DWORD): DWORD;

{TNT-WARN GetTempPath}
{TNT-WARN GetTempPathA}
{TNT-WARN GetTempPathW}
function Tnt_GetTempPathW(nBufferLength: DWORD; lpBuffer: PWideChar): DWORD;

{TNT-WARN GetTempFileName}
{TNT-WARN GetTempFileNameA}
{TNT-WARN GetTempFileNameW}
function Tnt_GetTempFileNameW(lpPathName, lpPrefixString: PWideChar; uUnique: UINT;
  lpTempFileName: PWideChar): UINT;

{TNT-WARN GetWindowsDirectory}
{TNT-WARN GetWindowsDirectoryA}
{TNT-WARN GetWindowsDirectoryW}
function Tnt_GetWindowsDirectoryW(lpBuffer: PWideChar; uSize: UINT): UINT;

{TNT-WARN GetSystemDirectory}
{TNT-WARN GetSystemDirectoryA}
{TNT-WARN GetSystemDirectoryW}
function Tnt_GetSystemDirectoryW(lpBuffer: PWideChar; uSize: UINT): UINT;

{TNT-WARN GetCurrentDirectory}
{TNT-WARN GetCurrentDirectoryA}
{TNT-WARN GetCurrentDirectoryW}
function Tnt_GetCurrentDirectoryW(nBufferLength: DWORD; lpBuffer: PWideChar): DWORD;

{TNT-WARN SetCurrentDirectory}
{TNT-WARN SetCurrentDirectoryA}
{TNT-WARN SetCurrentDirectoryW}
function Tnt_SetCurrentDirectoryW(lpPathName: PWideChar): BOOL;

{TNT-WARN GetComputerName}
{TNT-WARN GetComputerNameA}
{TNT-WARN GetComputerNameW}
function Tnt_GetComputerNameW(lpBuffer: PWideChar; var nSize: DWORD): BOOL;

{TNT-WARN GetUserName}
{TNT-WARN GetUserNameA}
{TNT-WARN GetUserNameW}
function Tnt_GetUserNameW(lpBuffer: PWideChar; var nSize: DWORD): BOOL;

{TNT-WARN ShellExecute}
{TNT-WARN ShellExecuteA}
{TNT-WARN ShellExecuteW}
function Tnt_ShellExecuteW(hWnd: HWND; Operation, FileName, Parameters,
  Directory: PWideChar; ShowCmd: Integer): HINST;

{TNT-WARN LoadLibrary}
{TNT-WARN LoadLibraryA}
{TNT-WARN LoadLibraryW}
function Tnt_LoadLibraryW(lpLibFileName: PWideChar): HMODULE;

{TNT-WARN LoadLibraryEx}
{TNT-WARN LoadLibraryExA}
{TNT-WARN LoadLibraryExW}
function Tnt_LoadLibraryExW(lpLibFileName: PWideChar; hFile: THandle; dwFlags: DWORD): HMODULE;

{TNT-WARN CreateProcess}
{TNT-WARN CreateProcessA}
{TNT-WARN CreateProcessW}
function Tnt_CreateProcessW(lpApplicationName: PWideChar; lpCommandLine: PWideChar;
  lpProcessAttributes, lpThreadAttributes: PSecurityAttributes;
    bInheritHandles: BOOL; dwCreationFlags: DWORD; lpEnvironment: Pointer;
      lpCurrentDirectory: PWideChar; const lpStartupInfo: TStartupInfoW;
        var lpProcessInformation: TProcessInformation): BOOL;

{TNT-WARN GetCurrencyFormat}
{TNT-WARN GetCurrencyFormatA}
{TNT-WARN GetCurrencyFormatW}
function Tnt_GetCurrencyFormatW(Locale: LCID; dwFlags: DWORD; lpValue: PWideChar;
  lpFormat: PCurrencyFmtW; lpCurrencyStr: PWideChar; cchCurrency: Integer): Integer;

{TNT-WARN CompareString}
{TNT-WARN CompareStringA}
{TNT-WARN CompareStringW}
function Tnt_CompareStringW(Locale: LCID; dwCmpFlags: DWORD; lpString1: PWideChar;
  cchCount1: Integer; lpString2: PWideChar; cchCount2: Integer): Integer;

{TNT-WARN CharUpper}
{TNT-WARN CharUpperA}
{TNT-WARN CharUpperW}
function Tnt_CharUpperW(lpsz: PWideChar): PWideChar;

{TNT-WARN CharUpperBuff}
{TNT-WARN CharUpperBuffA}
{TNT-WARN CharUpperBuffW}
function Tnt_CharUpperBuffW(lpsz: PWideChar; cchLength: DWORD): DWORD;

{TNT-WARN CharLower}
{TNT-WARN CharLowerA}
{TNT-WARN CharLowerW}
function Tnt_CharLowerW(lpsz: PWideChar): PWideChar;

{TNT-WARN CharLowerBuff}
{TNT-WARN CharLowerBuffA}
{TNT-WARN CharLowerBuffW}
function Tnt_CharLowerBuffW(lpsz: PWideChar; cchLength: DWORD): DWORD;

{TNT-WARN GetStringTypeEx}
{TNT-WARN GetStringTypeExA}
{TNT-WARN GetStringTypeExW}
function Tnt_GetStringTypeExW(Locale: LCID; dwInfoType: DWORD;
  lpSrcStr: PWideChar; cchSrc: Integer; var lpCharType): BOOL;

{TNT-WARN LoadString}
{TNT-WARN LoadStringA}
{TNT-WARN LoadStringW}
function Tnt_LoadStringW(hInstance: HINST; uID: UINT; lpBuffer: PWideChar; nBufferMax: Integer): Integer;

{TNT-WARN InsertMenuItem}
{TNT-WARN InsertMenuItemA}
{TNT-WARN InsertMenuItemW}
function Tnt_InsertMenuItemW(hMenu: HMENU; uItem: DWORD; fByPosition: BOOL; lpmii: tagMenuItemINFOW): BOOL;

{TNT-WARN ExtractIconEx}
{TNT-WARN ExtractIconExA}
{TNT-WARN ExtractIconExW}
function Tnt_ExtractIconExW(lpszFile: PWideChar; nIconIndex: Integer;
  var phiconLarge, phiconSmall: HICON; nIcons: UINT): UINT;

{TNT-WARN ExtractAssociatedIcon}
{TNT-WARN ExtractAssociatedIconA}
{TNT-WARN ExtractAssociatedIconW}
function Tnt_ExtractAssociatedIconW(hInst: HINST; lpIconPath: PWideChar;
  var lpiIcon: Word): HICON;

{TNT-WARN GetFileVersionInfoSize}
{TNT-WARN GetFileVersionInfoSizeA}
{TNT-WARN GetFileVersionInfoSizeW}
function Tnt_GetFileVersionInfoSizeW(lptstrFilename: PWideChar; var lpdwHandle: DWORD): DWORD;

{TNT-WARN GetFileVersionInfo}
{TNT-WARN GetFileVersionInfoA}
{TNT-WARN GetFileVersionInfoW}
function Tnt_GetFileVersionInfoW(lptstrFilename: PWideChar; dwHandle, dwLen: DWORD;
  lpData: Pointer): BOOL;

const
  VQV_FIXEDFILEINFO = '\';
  VQV_VARFILEINFO_TRANSLATION = '\VarFileInfo\Translation';
  VQV_STRINGFILEINFO = '\StringFileInfo';

  VER_COMMENTS         = 'Comments';
  VER_INTERNALNAME     = 'InternalName';
  VER_PRODUCTNAME      = 'ProductName';
  VER_COMPANYNAME      = 'CompanyName';
  VER_LEGALCOPYRIGHT   = 'LegalCopyright';
  VER_PRODUCTVERSION   = 'ProductVersion';
  VER_FILEDESCRIPTION  = 'FileDescription';
  VER_LEGALTRADEMARKS  = 'LegalTrademarks';
  VER_PRIVATEBUILD     = 'PrivateBuild';
  VER_FILEVERSION      = 'FileVersion';
  VER_ORIGINALFILENAME = 'OriginalFilename';
  VER_SPECIALBUILD     = 'SpecialBuild';

{TNT-WARN VerQueryValue}
{TNT-WARN VerQueryValueA}
{TNT-WARN VerQueryValueW}
function Tnt_VerQueryValueW(pBlock: Pointer; lpSubBlock: PWideChar;
  var lplpBuffer: Pointer; var puLen: UINT): BOOL;

type
  TSHNameMappingHeaderA = record
   cNumOfMappings: Cardinal;
   lpNM: PSHNAMEMAPPINGA;
  end;
  PSHNameMappingHeaderA = ^TSHNameMappingHeaderA;

  TSHNameMappingHeaderW = record
   cNumOfMappings: Cardinal;
   lpNM: PSHNAMEMAPPINGW;
  end;
  PSHNameMappingHeaderW = ^TSHNameMappingHeaderW;

{TNT-WARN SHFileOperation}
{TNT-WARN SHFileOperationA}
{TNT-WARN SHFileOperationW} // <-- no stub on early Windows 95
function Tnt_SHFileOperationW(var lpFileOp: TSHFileOpStructW): Integer;

{TNT-WARN SHFreeNameMappings}
procedure Tnt_SHFreeNameMappings(hNameMappings: THandle);

{TNT-WARN SHBrowseForFolder}
{TNT-WARN SHBrowseForFolderA}
{TNT-WARN SHBrowseForFolderW} // <-- no stub on early Windows 95
function Tnt_SHBrowseForFolderW(var lpbi: TBrowseInfoW): PItemIDList;

{TNT-WARN SHGetPathFromIDList}
{TNT-WARN SHGetPathFromIDListA}
{TNT-WARN SHGetPathFromIDListW} // <-- no stub on early Windows 95
function Tnt_SHGetPathFromIDListW(pidl: PItemIDList; pszPath: PWideChar): BOOL;

{TNT-WARN SHGetFileInfo}
{TNT-WARN SHGetFileInfoA}
{TNT-WARN SHGetFileInfoW} // <-- no stub on early Windows 95
function Tnt_SHGetFileInfoW(pszPath: PWideChar; dwFileAttributes: DWORD;
  var psfi: TSHFileInfoW; cbFileInfo, uFlags: UINT): DWORD;

// ......... introduced .........
function Tnt_Is_IntResource(ResStr: LPCWSTR): Boolean;

function LANGIDFROMLCID(lcid: LCID): WORD;
function MAKELANGID(usPrimaryLanguage, usSubLanguage: WORD): WORD;
function MAKELCID(wLanguageID: WORD; wSortID: WORD = SORT_DEFAULT): LCID;
function PRIMARYLANGID(lgid: WORD): WORD;
function SORTIDFROMLCID(lcid: LCID): WORD;
function SUBLANGID(lgid: WORD): WORD;

implementation

uses
  SysUtils, Math, TntSysUtils,
  {$IFDEF COMPILER_9_UP} WideStrUtils, {$ENDIF} TntWideStrUtils;

function _PAnsiCharWithNil(const S: AnsiString): PAnsiChar;
begin
  if S = '' then
    Result := nil {Win9x needs nil for some parameters instead of empty strings}
  else
    Result := PAnsiChar(S);
end;

function _PWideCharWithNil(const S: WideString): PWideChar;
begin
  if S = '' then
    Result := nil {Win9x needs nil for some parameters instead of empty strings}
  else
    Result := PWideChar(S);
end;

function _WStr(lpString: PWideChar; cchCount: Integer): WideString;
begin
  if cchCount = -1 then
    Result := lpString
  else
    Result := Copy(WideString(lpString), 1, cchCount);
end;

procedure _MakeWideWin32FindData(var WideFindData: TWIN32FindDataW; AnsiFindData: TWIN32FindDataA);
begin
  CopyMemory(@WideFindData, @AnsiFindData,
    Integer(@WideFindData.cFileName) - Integer(@WideFindData));
  WStrPCopy(WideFindData.cFileName, AnsiFindData.cFileName);
  WStrPCopy(WideFindData.cAlternateFileName, AnsiFindData.cAlternateFileName);
end;

function Tnt_SetWindowTextW(hWnd: HWND; lpString: PWideChar): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := SetWindowTextW{TNT-ALLOW SetWindowTextW}(hWnd, lpString)
  else
    Result := SetWindowTextA{TNT-ALLOW SetWindowTextA}(hWnd, PAnsiChar(AnsiString(lpString)));
end;

//-----------------------------

type
  TPathLengthResultOption = (poAllowDirectoryMode, poZeroSmallBuff, poExactCopy, poExactCopySubPaths);
  TPathLengthResultOptions = set of TPathLengthResultOption;

procedure _ExactStrCopyW(pDest, pSource: PWideChar; Count: Integer);
var
  i: integer;
begin
  for i := 1 to Count do begin
    pDest^ := pSource^;
    Inc(PSource);
    Inc(pDest);
  end;
end;

procedure _ExactCopySubPaths(pDest, pSource: PWideChar; Count: Integer);
var
  i: integer;
  OriginalSource: PWideChar;
  PNextSlash: PWideChar;
begin
  if Count >= 4 then begin
    OriginalSource := pSource;
    PNextSlash := WStrScan(pSource, '\');
    for i := 1 to Count - 1 do begin
      // determine next path delimiter
      if pSource > pNextSlash then begin
        PNextSlash := WStrScan(pSource, '\');
      end;
      // leave if no more sub paths
      if (PNextSlash = nil)
      or ((pNextSlash - OriginalSource) >= Count) then begin
        exit;
      end;
      // copy char
      pDest^ := pSource^;
      Inc(PSource);
      Inc(pDest);
    end;
  end;
end;

function _HandlePathLengthResult(nBufferLength: DWORD; lpBuffer: PWideChar; const AnsiBuff: AnsiString; Options: TPathLengthResultOptions): Integer;
var
  WideBuff: WideString;
begin
  WideBuff := AnsiBuff;
  if nBufferLength > Cardinal(Length(WideBuff)) then begin
    // normal
    Result := Length(WideBuff);
    WStrLCopy(lpBuffer, PWideChar(WideBuff), nBufferLength);
  end else if (poExactCopy in Options) then begin
    // exact
    Result := nBufferLength;
    _ExactStrCopyW(lpBuffer, PWideChar(WideBuff), nBufferLength);
  end else begin
    // other
    if (poAllowDirectoryMode in Options)
    and (nBufferLength = Cardinal(Length(WideBuff))) then begin
      Result := Length(WideBuff) + 1;
      WStrLCopy(lpBuffer, PWideChar(WideBuff), nBufferLength - 1);
    end else begin
      Result := Length(WideBuff) + 1;
      if (nBufferLength > 0) then begin
        if (poZeroSmallBuff in Options) then
          lpBuffer^ := #0
        else if (poExactCopySubPaths in Options) then
          _ExactCopySubPaths(lpBuffer, PWideChar(WideBuff), nBufferLength);
      end;
    end;
  end;
end;

function _HandleStringLengthResult(nBufferLength: DWORD; lpBuffer: PWideChar; const AnsiBuff: AnsiString; Options: TPathLengthResultOptions): Integer;
var
  WideBuff: WideString;
begin
  WideBuff := AnsiBuff;
  if nBufferLength >= Cardinal(Length(WideBuff)) then begin
    // normal
    Result := Length(WideBuff);
    WStrLCopy(lpBuffer, PWideChar(WideBuff), nBufferLength);
  end else if nBufferLength = 0 then
    Result := Length(WideBuff)
  else
    Result := 0;
end;

//-------------------------------------------

function Tnt_RemoveDirectoryW(lpPathName: PWideChar): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := RemoveDirectoryW{TNT-ALLOW RemoveDirectoryW}(PWideChar(lpPathName))
  else
    Result := RemoveDirectoryA{TNT-ALLOW RemoveDirectoryA}(PAnsiChar(AnsiString(lpPathName)));
end;

function Tnt_GetShortPathNameW(lpszLongPath: PWideChar; lpszShortPath: PWideChar;
  cchBuffer: DWORD): DWORD;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetShortPathNameW{TNT-ALLOW GetShortPathNameW}(lpszLongPath, lpszShortPath, cchBuffer)
  else begin
    SetLength(AnsiBuff, MAX_PATH * 2);
    SetLength(AnsiBuff, GetShortPathNameA{TNT-ALLOW GetShortPathNameA}(PAnsiChar(AnsiString(lpszLongPath)),
      PAnsiChar(AnsiBuff), Length(AnsiBuff)));
    Result := _HandlePathLengthResult(cchBuffer, lpszShortPath, AnsiBuff, [poExactCopySubPaths]);
  end;
end;

function Tnt_GetFullPathNameW(lpFileName: PWideChar; nBufferLength: DWORD;
  lpBuffer: PWideChar; var lpFilePart: PWideChar): DWORD;
var
  AnsiBuff: AnsiString;
  AnsiFilePart: PAnsiChar;
  AnsiLeadingChars: Integer;
  WideLeadingChars: Integer;
begin
  if Win32PlatformIsUnicode then
    Result := GetFullPathNameW{TNT-ALLOW GetFullPathNameW}(lpFileName, nBufferLength, lpBuffer, lpFilePart)
  else begin
    SetLength(AnsiBuff, MAX_PATH * 2);
    SetLength(AnsiBuff, GetFullPathNameA{TNT-ALLOW GetFullPathNameA}(PAnsiChar(AnsiString(lpFileName)),
      Length(AnsiBuff), PAnsiChar(AnsiBuff), AnsiFilePart));
    Result := _HandlePathLengthResult(nBufferLength, lpBuffer, AnsiBuff, [poZeroSmallBuff]);
    // deal w/ lpFilePart
    if (AnsiFilePart = nil) or (nBufferLength < Result) then
      lpFilePart := nil
    else begin
      AnsiLeadingChars := AnsiFilePart - PAnsiChar(AnsiBuff);
      WideLeadingChars := Length(WideString(Copy(AnsiBuff, 1, AnsiLeadingChars)));
      lpFilePart := lpBuffer + WideLeadingChars;
    end;
  end;
end;

function Tnt_CreateFileW(lpFileName: PWideChar; dwDesiredAccess, dwShareMode: DWORD;
  lpSecurityAttributes: PSecurityAttributes; dwCreationDisposition, dwFlagsAndAttributes: DWORD;
    hTemplateFile: THandle): THandle;
begin
  if Win32PlatformIsUnicode then
    Result := CreateFileW{TNT-ALLOW CreateFileW}(lpFileName, dwDesiredAccess, dwShareMode,
      lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile)
  else
    Result := CreateFileA{TNT-ALLOW CreateFileA}(PAnsiChar(AnsiString(lpFileName)), dwDesiredAccess, dwShareMode,
      lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile)
end;

function Tnt_FindFirstFileW(lpFileName: PWideChar; var lpFindFileData: TWIN32FindDataW): THandle;
var
  Ansi_lpFindFileData: TWIN32FindDataA;
begin
  if Win32PlatformIsUnicode then
    Result := FindFirstFileW{TNT-ALLOW FindFirstFileW}(lpFileName, lpFindFileData)
  else begin
    Result := FindFirstFileA{TNT-ALLOW FindFirstFileA}(PAnsiChar(AnsiString(lpFileName)),
      Ansi_lpFindFileData);
    if Result <> INVALID_HANDLE_VALUE then
      _MakeWideWin32FindData(lpFindFileData, Ansi_lpFindFileData);
  end;
end;

function Tnt_FindNextFileW(hFindFile: THandle; var lpFindFileData: TWIN32FindDataW): BOOL;
var
  Ansi_lpFindFileData: TWIN32FindDataA;
begin
  if Win32PlatformIsUnicode then
    Result := FindNextFileW{TNT-ALLOW FindNextFileW}(hFindFile, lpFindFileData)
  else begin
    Result := FindNextFileA{TNT-ALLOW FindNextFileA}(hFindFile, Ansi_lpFindFileData);
    if Result then
      _MakeWideWin32FindData(lpFindFileData, Ansi_lpFindFileData);
  end;
end;

function Tnt_GetFileAttributesW(lpFileName: PWideChar): DWORD;
begin
  if Win32PlatformIsUnicode then
    Result := GetFileAttributesW{TNT-ALLOW GetFileAttributesW}(lpFileName)
  else
    Result := GetFileAttributesA{TNT-ALLOW GetFileAttributesA}(PAnsiChar(AnsiString(lpFileName)));
end;

function Tnt_SetFileAttributesW(lpFileName: PWideChar; dwFileAttributes: DWORD): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := SetFileAttributesW{TNT-ALLOW SetFileAttributesW}(lpFileName, dwFileAttributes)
  else
    Result := SetFileAttributesA{TNT-ALLOW SetFileAttributesA}(PAnsiChar(AnsiString(lpFileName)), dwFileAttributes);
end;

function Tnt_CreateDirectoryW(lpPathName: PWideChar;
  lpSecurityAttributes: PSecurityAttributes): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := CreateDirectoryW{TNT-ALLOW CreateDirectoryW}(lpPathName, lpSecurityAttributes)
  else
    Result := CreateDirectoryA{TNT-ALLOW CreateDirectoryA}(PAnsiChar(AnsiString(lpPathName)), lpSecurityAttributes);
end;

function Tnt_MoveFileW(lpExistingFileName, lpNewFileName: PWideChar): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := MoveFileW{TNT-ALLOW MoveFileW}(lpExistingFileName, lpNewFileName)
  else
    Result := MoveFileA{TNT-ALLOW MoveFileA}(PAnsiChar(AnsiString(lpExistingFileName)), PAnsiChar(AnsiString(lpNewFileName)));
end;

function Tnt_CopyFileW(lpExistingFileName, lpNewFileName: PWideChar; bFailIfExists: BOOL): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := CopyFileW{TNT-ALLOW CopyFileW}(lpExistingFileName, lpNewFileName, bFailIfExists)
  else
    Result := CopyFileA{TNT-ALLOW CopyFileA}(PAnsiChar(AnsiString(lpExistingFileName)),
      PAnsiChar(AnsiString(lpNewFileName)), bFailIfExists);
end;

function Tnt_DeleteFileW(lpFileName: PWideChar): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := DeleteFileW{TNT-ALLOW DeleteFileW}(lpFileName)
  else
    Result := DeleteFileA{TNT-ALLOW DeleteFileA}(PAnsiChar(AnsiString(lpFileName)));
end;

function Tnt_DrawTextW(hDC: HDC; lpString: PWideChar; nCount: Integer;
  var lpRect: TRect; uFormat: UINT): Integer;
begin
  if Win32PlatformIsUnicode then
    Result := DrawTextW{TNT-ALLOW DrawTextW}(hDC, lpString, nCount, lpRect, uFormat)
  else
    Result := DrawTextA{TNT-ALLOW DrawTextA}(hDC,
      PAnsiChar(AnsiString(_WStr(lpString, nCount))), -1, lpRect, uFormat);
end;

function Tnt_GetDiskFreeSpaceW(lpRootPathName: PWideChar; var lpSectorsPerCluster,
  lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters: DWORD): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := GetDiskFreeSpaceW{TNT-ALLOW GetDiskFreeSpaceW}(lpRootPathName,
      lpSectorsPerCluster, lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters)
  else
    Result := GetDiskFreeSpaceA{TNT-ALLOW GetDiskFreeSpaceA}(PAnsiChar(AnsiString(lpRootPathName)),
      lpSectorsPerCluster, lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters)
end;

function Tnt_GetVolumeInformationW(lpRootPathName: PWideChar; lpVolumeNameBuffer: PWideChar;
  nVolumeNameSize: DWORD; lpVolumeSerialNumber: PDWORD;
    var lpMaximumComponentLength, lpFileSystemFlags: DWORD; lpFileSystemNameBuffer: PWideChar;
      nFileSystemNameSize: DWORD): BOOL;
var
  AnsiFileSystemNameBuffer: AnsiString;
  AnsiVolumeNameBuffer: AnsiString;
  AnsiBuffLen: DWORD;
begin
  if Win32PlatformIsUnicode then
    Result := GetVolumeInformationW{TNT-ALLOW GetVolumeInformationW}(lpRootPathName, lpVolumeNameBuffer, nVolumeNameSize, lpVolumeSerialNumber, lpMaximumComponentLength, lpFileSystemFlags, lpFileSystemNameBuffer, nFileSystemNameSize)
  else begin
    SetLength(AnsiVolumeNameBuffer, MAX_COMPUTERNAME_LENGTH + 1);
    SetLength(AnsiFileSystemNameBuffer, MAX_COMPUTERNAME_LENGTH + 1);
    AnsiBuffLen := Length(AnsiFileSystemNameBuffer);
    Result := GetVolumeInformationA{TNT-ALLOW GetVolumeInformationA}(PAnsiChar(AnsiString(lpRootPathName)), PAnsiChar(AnsiVolumeNameBuffer), AnsiBuffLen, lpVolumeSerialNumber, lpMaximumComponentLength, lpFileSystemFlags, PAnsiChar(AnsiFileSystemNameBuffer), AnsiBuffLen);
    if Result then begin
      SetLength(AnsiFileSystemNameBuffer, AnsiBuffLen);
      if (nFileSystemNameSize <= AnsiBuffLen) or (Length(AnsiFileSystemNameBuffer) = 0) then
        Result := False
      else begin
        WStrPLCopy(lpFileSystemNameBuffer, AnsiFileSystemNameBuffer, nFileSystemNameSize);
        WStrPLCopy(lpVolumeNameBuffer, AnsiVolumeNameBuffer, nVolumeNameSize);
      end;
    end;
  end;
end;

function Tnt_GetModuleFileNameW(hModule: HINST; lpFilename: PWideChar; nSize: DWORD): DWORD;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetModuleFileNameW{TNT-ALLOW GetModuleFileNameW}(hModule, lpFilename, nSize)
  else begin
    SetLength(AnsiBuff, MAX_PATH);
    SetLength(AnsiBuff, GetModuleFileNameA{TNT-ALLOW GetModuleFileNameA}(hModule, PAnsiChar(AnsiBuff), Length(AnsiBuff)));
    Result := _HandlePathLengthResult(nSize, lpFilename, AnsiBuff, [poExactCopy]);
  end;
end;

function Tnt_GetTempPathW(nBufferLength: DWORD; lpBuffer: PWideChar): DWORD;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetTempPathW{TNT-ALLOW GetTempPathW}(nBufferLength, lpBuffer)
  else begin
    SetLength(AnsiBuff, MAX_PATH);
    SetLength(AnsiBuff, GetTempPathA{TNT-ALLOW GetTempPathA}(Length(AnsiBuff), PAnsiChar(AnsiBuff)));
    Result := _HandlePathLengthResult(nBufferLength, lpBuffer, AnsiBuff, [poAllowDirectoryMode, poZeroSmallBuff]);
  end;
end;

function Tnt_GetTempFileNameW(lpPathName, lpPrefixString: PWideChar; uUnique: UINT;
  lpTempFileName: PWideChar): UINT;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetTempFileNameW{TNT-ALLOW GetTempFileNameW}(lpPathName, lpPrefixString, uUnique, lpTempFileName)
  else begin
    SetLength(AnsiBuff, MAX_PATH);
    Result := GetTempFileNameA{TNT-ALLOW GetTempFileNameA}(PAnsiChar(AnsiString(lpPathName)), PAnsiChar(lpPrefixString), uUnique, PAnsiChar(AnsiBuff));
    AnsiBuff := PAnsiChar(AnsiBuff);
    _HandlePathLengthResult(MAX_PATH, lpTempFileName, AnsiBuff, [poZeroSmallBuff]);
  end;
end;

function Tnt_GetWindowsDirectoryW(lpBuffer: PWideChar; uSize: UINT): UINT;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetWindowsDirectoryW{TNT-ALLOW GetWindowsDirectoryW}(lpBuffer, uSize)
  else begin
    SetLength(AnsiBuff, MAX_PATH);
    SetLength(AnsiBuff, GetWindowsDirectoryA{TNT-ALLOW GetWindowsDirectoryA}(PAnsiChar(AnsiBuff), Length(AnsiBuff)));
    Result := _HandlePathLengthResult(uSize, lpBuffer, AnsiBuff, []);
  end;
end;

function Tnt_GetSystemDirectoryW(lpBuffer: PWideChar; uSize: UINT): UINT;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetSystemDirectoryW{TNT-ALLOW GetSystemDirectoryW}(lpBuffer, uSize)
  else begin
    SetLength(AnsiBuff, MAX_PATH);
    SetLength(AnsiBuff, GetSystemDirectoryA{TNT-ALLOW GetSystemDirectoryA}(PAnsiChar(AnsiBuff), Length(AnsiBuff)));
    Result := _HandlePathLengthResult(uSize, lpBuffer, AnsiBuff, []);
  end;
end;

function Tnt_GetCurrentDirectoryW(nBufferLength: DWORD; lpBuffer: PWideChar): DWORD;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetCurrentDirectoryW{TNT-ALLOW GetCurrentDirectoryW}(nBufferLength, lpBuffer)
  else begin
    SetLength(AnsiBuff, MAX_PATH);
    SetLength(AnsiBuff, GetCurrentDirectoryA{TNT-ALLOW GetCurrentDirectoryA}(Length(AnsiBuff), PAnsiChar(AnsiBuff)));
    Result := _HandlePathLengthResult(nBufferLength, lpBuffer, AnsiBuff, [poAllowDirectoryMode, poZeroSmallBuff]);
  end;
end;

function Tnt_SetCurrentDirectoryW(lpPathName: PWideChar): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := SetCurrentDirectoryW{TNT-ALLOW SetCurrentDirectoryW}(lpPathName)
  else
    Result := SetCurrentDirectoryA{TNT-ALLOW SetCurrentDirectoryA}(PAnsiChar(AnsiString(lpPathName)));
end;

function Tnt_GetComputerNameW(lpBuffer: PWideChar; var nSize: DWORD): BOOL;
var
  AnsiBuff: AnsiString;
  AnsiBuffLen: DWORD;
begin
  if Win32PlatformIsUnicode then
    Result := GetComputerNameW{TNT-ALLOW GetComputerNameW}(lpBuffer, nSize)
  else begin
    SetLength(AnsiBuff, MAX_COMPUTERNAME_LENGTH + 1);
    AnsiBuffLen := Length(AnsiBuff);
    Result := GetComputerNameA{TNT-ALLOW GetComputerNameA}(PAnsiChar(AnsiBuff), AnsiBuffLen);
    if Result then begin
      SetLength(AnsiBuff, AnsiBuffLen);
      if (nSize <= AnsiBuffLen) or (Length(AnsiBuff) = 0) then begin
        nSize := AnsiBuffLen + 1;
        Result := False;
      end else begin
        WStrPLCopy(lpBuffer, AnsiBuff, nSize);
        nSize := WStrLen(lpBuffer);
      end;
    end;
  end;
end;

function Tnt_GetUserNameW(lpBuffer: PWideChar; var nSize: DWORD): BOOL;
var
  AnsiBuff: AnsiString;
  AnsiBuffLen: DWORD;
begin
  if Win32PlatformIsUnicode then
    Result := GetUserNameW{TNT-ALLOW GetUserNameW}(lpBuffer, nSize)
  else begin
    SetLength(AnsiBuff, 255);
    AnsiBuffLen := Length(AnsiBuff);
    Result := GetUserNameA{TNT-ALLOW GetUserNameA}(PAnsiChar(AnsiBuff), AnsiBuffLen);
    if Result then begin
      SetLength(AnsiBuff, AnsiBuffLen);
      if (nSize <= AnsiBuffLen) or (Length(AnsiBuff) = 0) then begin
        nSize := AnsiBuffLen + 1;
        Result := False;
      end else begin
        WStrPLCopy(lpBuffer, AnsiBuff, nSize);
        nSize := WStrLen(lpBuffer);
      end;
    end;
  end;
end;

function Tnt_ShellExecuteW(hWnd: HWND; Operation, FileName, Parameters,
  Directory: PWideChar; ShowCmd: Integer): HINST;
begin
  if Win32PlatformIsUnicode then
    Result := ShellExecuteW{TNT-ALLOW ShellExecuteW}(hWnd, _PWideCharWithNil(WideString(Operation)),
      FileName, Parameters,
        Directory, ShowCmd)
  else begin
    Result := ShellExecuteA{TNT-ALLOW ShellExecuteA}(hWnd, _PAnsiCharWithNil(AnsiString(Operation)),
      _PAnsiCharWithNil(AnsiString(FileName)), _PAnsiCharWithNil(AnsiString(Parameters)),
        _PAnsiCharWithNil(AnsiString(Directory)), ShowCmd)
  end;
end;

function Tnt_LoadLibraryW(lpLibFileName: PWideChar): HMODULE;
begin
  if Win32PlatformIsUnicode then
    Result := LoadLibraryW{TNT-ALLOW LoadLibraryW}(lpLibFileName)
  else
    Result := LoadLibraryA{TNT-ALLOW LoadLibraryA}(PAnsiChar(AnsiString(lpLibFileName)));
end;

function Tnt_LoadLibraryExW(lpLibFileName: PWideChar; hFile: THandle; dwFlags: DWORD): HMODULE;
begin
  if Win32PlatformIsUnicode then
    Result := LoadLibraryExW{TNT-ALLOW LoadLibraryExW}(lpLibFileName, hFile, dwFlags)
  else
    Result := LoadLibraryExA{TNT-ALLOW LoadLibraryExA}(PAnsiChar(AnsiString(lpLibFileName)), hFile, dwFlags);
end;

function Tnt_CreateProcessW(lpApplicationName: PWideChar; lpCommandLine: PWideChar;
  lpProcessAttributes, lpThreadAttributes: PSecurityAttributes;
    bInheritHandles: BOOL; dwCreationFlags: DWORD; lpEnvironment: Pointer;
      lpCurrentDirectory: PWideChar; const lpStartupInfo: TStartupInfoW;
        var lpProcessInformation: TProcessInformation): BOOL;
var
  AnsiStartupInfo: TStartupInfoA;
begin
  if Win32PlatformIsUnicode then begin
    Result := CreateProcessW{TNT-ALLOW CreateProcessW}(lpApplicationName, lpCommandLine,
      lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpEnvironment,
        lpCurrentDirectory, lpStartupInfo, lpProcessInformation)
  end else begin
    CopyMemory(@AnsiStartupInfo, @lpStartupInfo, SizeOf(TStartupInfo));
    AnsiStartupInfo.lpReserved := _PAnsiCharWithNil(AnsiString(lpStartupInfo.lpReserved));
    AnsiStartupInfo.lpDesktop := _PAnsiCharWithNil(AnsiString(lpStartupInfo.lpDesktop));
    AnsiStartupInfo.lpTitle := _PAnsiCharWithNil(AnsiString(lpStartupInfo.lpTitle));
    Result := CreateProcessA{TNT-ALLOW CreateProcessA}(_PAnsiCharWithNil(AnsiString(lpApplicationName)),
      _PAnsiCharWithNil(AnsiString(lpCommandLine)),
        lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpEnvironment,
          _PAnsiCharWithNil(AnsiString(lpCurrentDirectory)), AnsiStartupInfo, lpProcessInformation);
  end;
end;

function Tnt_GetCurrencyFormatW(Locale: LCID; dwFlags: DWORD; lpValue: PWideChar;
  lpFormat: PCurrencyFmtW; lpCurrencyStr: PWideChar; cchCurrency: Integer): Integer;
const
  MAX_ANSI_BUFF_SIZE = 64; // can a currency string actually be larger?
var
  AnsiFormat: TCurrencyFmtA;
  PAnsiFormat: PCurrencyFmtA;
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetCurrencyFormatW{TNT-ALLOW GetCurrencyFormatW}(Locale, dwFlags, lpValue, lpFormat, lpCurrencyStr, cchCurrency)
  else begin
    if lpFormat = nil then
      PAnsiFormat := nil
    else begin
      ZeroMemory(@AnsiFormat, SizeOf(AnsiFormat));
      AnsiFormat.NumDigits        := lpFormat.NumDigits;
      AnsiFormat.LeadingZero      := lpFormat.LeadingZero;
      AnsiFormat.Grouping         := lpFormat.Grouping;
      AnsiFormat.lpDecimalSep     := PAnsiChar(AnsiString(lpFormat.lpDecimalSep));
      AnsiFormat.lpThousandSep    := PAnsiChar(AnsiString(lpFormat.lpThousandSep));
      AnsiFormat.NegativeOrder    := lpFormat.NegativeOrder;
      AnsiFormat.PositiveOrder    := lpFormat.PositiveOrder;
      AnsiFormat.lpCurrencySymbol := PAnsiChar(AnsiString(lpFormat.lpCurrencySymbol));
      PAnsiFormat := @AnsiFormat;
    end;
    SetLength(AnsiBuff, MAX_ANSI_BUFF_SIZE);
    SetLength(AnsiBuff, GetCurrencyFormatA{TNT-ALLOW GetCurrencyFormatA}(Locale, dwFlags,
      PAnsiChar(AnsiString(lpValue)), PAnsiFormat, PAnsiChar(AnsiBuff), MAX_ANSI_BUFF_SIZE));
    Result := _HandleStringLengthResult(cchCurrency, lpCurrencyStr, AnsiBuff, []);
  end;
end;

function Tnt_CompareStringW(Locale: LCID; dwCmpFlags: DWORD; lpString1: PWideChar;
  cchCount1: Integer; lpString2: PWideChar; cchCount2: Integer): Integer;
var
  WideStr1, WideStr2: WideString;
  AnsiStr1, AnsiStr2: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := CompareStringW{TNT-ALLOW CompareStringW}(Locale, dwCmpFlags, lpString1, cchCount1, lpString2, cchCount2)
  else begin
    WideStr1 := _WStr(lpString1, cchCount1);
    WideStr2 := _WStr(lpString2, cchCount2);
    if (dwCmpFlags = 0) then begin
      // binary comparison
      if WideStr1 < WideStr2 then
        Result := 1
      else if WideStr1 = WideStr2 then
        Result := 2
      else
        Result := 3;
    end else begin
      AnsiStr1 := WideStr1;
      AnsiStr2 := WideStr2;
      Result := CompareStringA{TNT-ALLOW CompareStringA}(Locale, dwCmpFlags,
        PAnsiChar(AnsiStr1), -1, PAnsiChar(AnsiStr2), -1);
    end;
  end;
end;

function Tnt_CharUpperW(lpsz: PWideChar): PWideChar;
var
  AStr: AnsiString;
  WStr: WideString;
begin
  if Win32PlatformIsUnicode then
    Result := CharUpperW{TNT-ALLOW CharUpperW}(lpsz)
  else begin
    if HiWord(Cardinal(lpsz)) = 0 then begin
      // literal char mode
      Result := lpsz;
      if IsWideCharMappableToAnsi(WideChar(lpsz)) then begin
        AStr := WideChar(lpsz); // single character may be more than one byte
        CharUpperA{TNT-ALLOW CharUpperA}(PAnsiChar(AStr));
        WStr := AStr; // should always be single wide char
        if Length(WStr) = 1 then
          Result := PWideChar(WStr[1]);
      end
    end else begin
      // null-terminated string mode
      Result := lpsz;
      while lpsz^ <> #0 do begin
        lpsz^ := WideChar(Tnt_CharUpperW(PWideChar(lpsz^)));
        Inc(lpsz);
      end;
    end;
  end;
end;

function Tnt_CharUpperBuffW(lpsz: PWideChar; cchLength: DWORD): DWORD;
var
  i: integer;
begin
  if Win32PlatformIsUnicode then
    Result := CharUpperBuffW{TNT-ALLOW CharUpperBuffW}(lpsz, cchLength)
  else begin
    Result := cchLength;
    for i := 1 to cchLength do begin
      lpsz^ := WideChar(Tnt_CharUpperW(PWideChar(lpsz^)));
      Inc(lpsz);
    end;
  end;
end;

function Tnt_CharLowerW(lpsz: PWideChar): PWideChar;
var
  AStr: AnsiString;
  WStr: WideString;
begin
  if Win32PlatformIsUnicode then
    Result := CharLowerW{TNT-ALLOW CharLowerW}(lpsz)
  else begin
    if HiWord(Cardinal(lpsz)) = 0 then begin
      // literal char mode
      Result := lpsz;
      if IsWideCharMappableToAnsi(WideChar(lpsz)) then begin
        AStr := WideChar(lpsz); // single character may be more than one byte
        CharLowerA{TNT-ALLOW CharLowerA}(PAnsiChar(AStr));
        WStr := AStr; // should always be single wide char
        if Length(WStr) = 1 then
          Result := PWideChar(WStr[1]);
      end
    end else begin
      // null-terminated string mode
      Result := lpsz;
      while lpsz^ <> #0 do begin
        lpsz^ := WideChar(Tnt_CharLowerW(PWideChar(lpsz^)));
        Inc(lpsz);
      end;
    end;
  end;
end;

function Tnt_CharLowerBuffW(lpsz: PWideChar; cchLength: DWORD): DWORD;
var
  i: integer;
begin
  if Win32PlatformIsUnicode then
    Result := CharLowerBuffW{TNT-ALLOW CharLowerBuffW}(lpsz, cchLength)
  else begin
    Result := cchLength;
    for i := 1 to cchLength do begin
      lpsz^ := WideChar(Tnt_CharLowerW(PWideChar(lpsz^)));
      Inc(lpsz);
    end;
  end;
end;

function Tnt_GetStringTypeExW(Locale: LCID; dwInfoType: DWORD;
  lpSrcStr: PWideChar; cchSrc: Integer; var lpCharType): BOOL; 
var
  AStr: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := GetStringTypeExW{TNT-ALLOW GetStringTypeExW}(Locale, dwInfoType, lpSrcStr, cchSrc, lpCharType)
  else begin
    AStr := _WStr(lpSrcStr, cchSrc);
    Result := GetStringTypeExA{TNT-ALLOW GetStringTypeExA}(Locale, dwInfoType,
      PAnsiChar(AStr), -1, lpCharType);
  end;
end;

function Win9x_LoadStringW(hInstance: HINST; uID: UINT; lpBuffer: PWideChar; nBufferMax: Integer): Integer;
// This function originated by the WINE Project.
//   It was translated to Pascal by Francisco Leong.
//     It was further modified by Troy Wolbrink.
var
  hmem: HGLOBAL;
  hrsrc: THandle;
  p: PWideChar;
  string_num, i: Integer;
  block: Integer;
begin
  Result := 0;
  // Netscape v3 fix...
  if (HIWORD(uID) = $FFFF) then begin
    uID := UINT(-(Integer(uID)));
  end;
  // figure block, string_num
  block := ((uID shr 4) and $FFFF) + 1; // bits 4 - 19, mask out bits 20 - 31, inc by 1
  string_num := uID and $000F;
  // get handle & pointer to string block
  hrsrc := FindResource{TNT-ALLOW FindResource}(hInstance, MAKEINTRESOURCE(block), RT_STRING);
  if (hrsrc <> 0) then
  begin
    hmem := LoadResource(hInstance, hrsrc);
    if (hmem <> 0) then
    begin
      p := LockResource(hmem);
      // walk the block to the requested string
      for i := 0 to string_num - 1 do begin
        p := p + Integer(p^) + 1;
      end;
      Result := Integer(p^); { p points to the length of string }
      Inc(p); { p now points to the actual string }
      if (lpBuffer <> nil) and (nBufferMax > 0) then
      begin
        Result := min(nBufferMax - 1, Result); { max length to copy }
        if (Result > 0) then begin
          CopyMemory(lpBuffer, p, Result * sizeof(WideChar));
        end;
        lpBuffer[Result] := WideChar(0); { null terminate }
      end;
    end;
  end;
end;

function Tnt_LoadStringW(hInstance: HINST; uID: UINT; lpBuffer: PWideChar; nBufferMax: Integer): Integer;
begin
  if Win32PlatformIsUnicode then
    Result := Windows.LoadStringW{TNT-ALLOW LoadStringW}(hInstance, uID, lpBuffer, nBufferMax)
  else
    Result := Win9x_LoadStringW(hInstance, uID, lpBuffer, nBufferMax);
end;

function Tnt_InsertMenuItemW(hMenu: HMENU; uItem: DWORD; fByPosition: BOOL; lpmii: TMenuItemInfoW): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := InsertMenuItemW{TNT-ALLOW InsertMenuItemW}(hMenu, uItem, fByPosition, lpmii)
  else begin
    TMenuItemInfoA(lpmii).dwTypeData := PAnsiChar(AnsiString(lpmii.dwTypeData));
    Result := InsertMenuItemA{TNT-ALLOW InsertMenuItemA}(hMenu, uItem, fByPosition, TMenuItemInfoA(lpmii));
  end;
end;

function Tnt_ExtractIconExW(lpszFile: PWideChar; nIconIndex: Integer;
  var phiconLarge, phiconSmall: HICON; nIcons: UINT): UINT;
begin
  if Win32PlatformIsUnicode then
    Result := ExtractIconExW{TNT-ALLOW ExtractIconExW}(lpszFile,
      nIconIndex, phiconLarge, phiconSmall, nIcons)
  else
    Result := ExtractIconExA{TNT-ALLOW ExtractIconExA}(PAnsiChar(AnsiString(lpszFile)),
      nIconIndex, phiconLarge, phiconSmall, nIcons);
end;

function Tnt_ExtractAssociatedIconW(hInst: HINST; lpIconPath: PWideChar;
  var lpiIcon: Word): HICON;
begin
  if Win32PlatformIsUnicode then
    Result := ExtractAssociatedIconW{TNT-ALLOW ExtractAssociatedIconW}(hInst, lpIconPath, lpiIcon)
  else
    Result := ExtractAssociatedIconA{TNT-ALLOW ExtractAssociatedIconA}(hInst,
      PAnsiChar(AnsiString(lpIconPath)), lpiIcon)
end;

function Tnt_GetFileVersionInfoSizeW(lptstrFilename: PWideChar; var lpdwHandle: DWORD): DWORD;
begin
  if Win32PlatformIsUnicode then
    Result := GetFileVersionInfoSizeW{TNT-ALLOW GetFileVersionInfoSizeW}(lptstrFilename, lpdwHandle)
  else
    Result := GetFileVersionInfoSizeA{TNT-ALLOW GetFileVersionInfoSizeA}(PAnsiChar(AnsiString(lptstrFilename)), lpdwHandle);
end;

function Tnt_GetFileVersionInfoW(lptstrFilename: PWideChar; dwHandle, dwLen: DWORD;
  lpData: Pointer): BOOL;
begin
  if Win32PlatformIsUnicode then
    Result := GetFileVersionInfoW{TNT-ALLOW GetFileVersionInfoW}(lptstrFilename, dwHandle, dwLen, lpData)
  else
    Result := GetFileVersionInfoA{TNT-ALLOW GetFileVersionInfoA}(PAnsiChar(AnsiString(lptstrFilename)), dwHandle, dwLen, lpData);
end;

var
  Last_VerQueryValue_String: WideString;

function Tnt_VerQueryValueW(pBlock: Pointer; lpSubBlock: PWideChar;
  var lplpBuffer: Pointer; var puLen: UINT): BOOL;
var
  AnsiBuff: AnsiString;
begin
  if Win32PlatformIsUnicode then
    Result := VerQueryValueW{TNT-ALLOW VerQueryValueW}(pBlock, lpSubBlock, lplpBuffer, puLen)
  else begin
    Result := VerQueryValueA{TNT-ALLOW VerQueryValueA}(pBlock, PAnsiChar(AnsiString(lpSubBlock)), lplpBuffer, puLen);
    if WideTextPos(VQV_STRINGFILEINFO, lpSubBlock) <> 1 then
    else begin
      {  /StringFileInfo, convert ansi result to unicode }
      SetString(AnsiBuff, PAnsiChar(lplpBuffer), puLen);
      Last_VerQueryValue_String := AnsiBuff;
      lplpBuffer := PWideChar(Last_VerQueryValue_String);
      puLen := Length(Last_VerQueryValue_String);
    end;
  end;
end;

//---------------------------------------------------------------------------------------
//  Wide functions from Shell32.dll should be loaded dynamically (no stub on early Win95)
//---------------------------------------------------------------------------------------

type
  TSHFileOperationW = function(var lpFileOp: TSHFileOpStructW): Integer; stdcall;
  TSHBrowseForFolderW = function(var lpbi: TBrowseInfoW): PItemIDList; stdcall;
  TSHGetPathFromIDListW = function(pidl: PItemIDList; pszPath: PWideChar): BOOL; stdcall;
  TSHGetFileInfoW = function(pszPath: PWideChar; dwFileAttributes: DWORD;
    var psfi: TSHFileInfoW; cbFileInfo, uFlags: UINT): DWORD; stdcall;

var
  Safe_SHFileOperationW: TSHFileOperationW = nil;
  Safe_SHBrowseForFolderW: TSHBrowseForFolderW = nil;
  Safe_SHGetPathFromIDListW: TSHGetPathFromIDListW = nil;
  Safe_SHGetFileInfoW: TSHGetFileInfoW = nil;

var Shell32DLL: HModule = 0;

procedure LoadWideShell32Procs;
begin
  if Shell32DLL = 0 then begin
    Shell32DLL := WinCheckH(Tnt_LoadLibraryW('shell32.dll'));
    Safe_SHFileOperationW := WinCheckP(GetProcAddress(Shell32DLL, 'SHFileOperationW'));
    Safe_SHBrowseForFolderW := WinCheckP(GetProcAddress(Shell32DLL, 'SHBrowseForFolderW'));
    Safe_SHGetPathFromIDListW := WinCheckP(GetProcAddress(Shell32DLL, 'SHGetPathFromIDListW'));
    Safe_SHGetFileInfoW := WinCheckP(GetProcAddress(Shell32DLL, 'SHGetFileInfoW'));
  end;
end;

function Tnt_SHFileOperationW(var lpFileOp: TSHFileOpStructW): Integer;
var
  AnsiFileOp: TSHFileOpStructA;
  MapCount: Integer;
  PAnsiMap: PSHNameMappingA;
  PWideMap: PSHNameMappingW;
  OldPath: WideString;
  NewPath: WideString;
  i: integer;
begin
  if Win32PlatformIsUnicode then begin
    LoadWideShell32Procs;
    Result := Safe_SHFileOperationW(lpFileOp);
  end else begin
    AnsiFileOp := TSHFileOpStructA(lpFileOp);
    // convert PChar -> PWideChar
    if lpFileOp.pFrom = nil then
      AnsiFileOp.pFrom := nil
    else
      AnsiFileOp.pFrom := PAnsiChar(AnsiString(ExtractStringArrayStr(lpFileOp.pFrom)));
    if lpFileOp.pTo = nil then
      AnsiFileOp.pTo := nil
    else
      AnsiFileOp.pTo := PAnsiChar(AnsiString(ExtractStringArrayStr(lpFileOp.pTo)));
    AnsiFileOp.lpszProgressTitle := PAnsiChar(AnsiString(lpFileOp.lpszProgressTitle));
    Result := SHFileOperationA{TNT-ALLOW SHFileOperationA}(AnsiFileOp);
    // return struct results
    lpFileOp.fAnyOperationsAborted := AnsiFileOp.fAnyOperationsAborted;
    lpFileOp.hNameMappings := nil;
    if (AnsiFileOp.hNameMappings <> nil)
    and ((FOF_WANTMAPPINGHANDLE and AnsiFileOp.fFlags) <> 0) then begin
      // alloc mem
      MapCount := PSHNameMappingHeaderA(AnsiFileOp.hNameMappings).cNumOfMappings;
      lpFileOp.hNameMappings :=
        AllocMem(SizeOf({hNameMappings}Cardinal) + SizeOf(TSHNameMappingW) * MapCount);
      PSHNameMappingHeaderW(lpFileOp.hNameMappings).cNumOfMappings := MapCount;
      // init pointers
      PAnsiMap := PSHNameMappingHeaderA(AnsiFileOp.hNameMappings).lpNM;
      PWideMap := PSHNameMappingHeaderW(lpFileOp.hNameMappings).lpNM;
      for i := 1 to MapCount do begin
        // old path
        OldPath := Copy(PAnsiMap.pszOldPath, 1, PAnsiMap.cchOldPath);
        PWideMap.pszOldPath := WStrNew(PWideChar(OldPath));
        PWideMap.cchOldPath := WStrLen(PWideMap.pszOldPath);
        // new path
        NewPath := Copy(PAnsiMap.pszNewPath, 1, PAnsiMap.cchNewPath);
        PWideMap.pszNewPath := WStrNew(PWideChar(NewPath));
        PWideMap.cchNewPath := WStrLen(PWideMap.pszNewPath);
        // next record
        Inc(PAnsiMap);
        Inc(PWideMap);
      end;
    end;
  end;
end;

procedure Tnt_SHFreeNameMappings(hNameMappings: THandle);
var
  i: integer;
  MapCount: Integer;
  PWideMap: PSHNameMappingW;
begin
  if Win32PlatformIsUnicode then
    SHFreeNameMappings{TNT-ALLOW SHFreeNameMappings}(hNameMappings)
  else begin
    // free strings
    MapCount := PSHNameMappingHeaderW(hNameMappings).cNumOfMappings;
    PWideMap := PSHNameMappingHeaderW(hNameMappings).lpNM;
    for i := 1 to MapCount do begin
      WStrDispose(PWideMap.pszOldPath);
      WStrDispose(PWideMap.pszNewPath);
      Inc(PWideMap);
    end;
    // free struct
    FreeMem(Pointer(hNameMappings));
  end;
end;

function Tnt_SHBrowseForFolderW(var lpbi: TBrowseInfoW): PItemIDList;
var
  AnsiInfo: TBrowseInfoA;
  AnsiBuffer: array[0..MAX_PATH] of AnsiChar;
begin
  if Win32PlatformIsUnicode then begin
    LoadWideShell32Procs;
    Result := Safe_SHBrowseForFolderW(lpbi);
  end else begin
    AnsiInfo := TBrowseInfoA(lpbi);
    AnsiInfo.lpszTitle := PAnsiChar(AnsiString(lpbi.lpszTitle));
    if lpbi.pszDisplayName <> nil then
      AnsiInfo.pszDisplayName := AnsiBuffer;
    Result := SHBrowseForFolderA{TNT-ALLOW SHBrowseForFolderA}(AnsiInfo);
    if lpbi.pszDisplayName <> nil then
      WStrPCopy(lpbi.pszDisplayName, AnsiInfo.pszDisplayName);
    lpbi.iImage := AnsiInfo.iImage;
  end;
end;

function Tnt_SHGetPathFromIDListW(pidl: PItemIDList; pszPath: PWideChar): BOOL;
var
  AnsiPath: AnsiString;
begin
  if Win32PlatformIsUnicode then begin
    LoadWideShell32Procs;
    Result := Safe_SHGetPathFromIDListW(pidl, pszPath);
  end else begin
    SetLength(AnsiPath, MAX_PATH);
    Result := SHGetPathFromIDListA{TNT-ALLOW SHGetPathFromIDListA}(pidl, PAnsiChar(AnsiPath));
    if Result then
      WStrPCopy(pszPath, PAnsiChar(AnsiPath))
  end;
end;

function Tnt_SHGetFileInfoW(pszPath: PWideChar; dwFileAttributes: DWORD;
  var psfi: TSHFileInfoW; cbFileInfo, uFlags: UINT): DWORD;
var
  SHFileInfoA: TSHFileInfoA;
begin
  if Win32PlatformIsUnicode then begin
    LoadWideShell32Procs;
    Result := Safe_SHGetFileInfoW(pszPath, dwFileAttributes, psfi, cbFileInfo, uFlags)
  end else begin
    Result := SHGetFileInfoA{TNT-ALLOW SHGetFileInfoA}(PAnsiChar(AnsiString(pszPath)),
      dwFileAttributes, SHFileInfoA, SizeOf(TSHFileInfoA), uFlags);
    // update pfsi...
    ZeroMemory(@psfi, SizeOf(TSHFileInfoW));
    psfi.hIcon := SHFileInfoA.hIcon;
    psfi.iIcon := SHFileInfoA.iIcon;
    psfi.dwAttributes := SHFileInfoA.dwAttributes;
    WStrPLCopy(psfi.szDisplayName, SHFileInfoA.szDisplayName, MAX_PATH);
    WStrPLCopy(psfi.szTypeName, SHFileInfoA.szTypeName, 80);
  end;
end;


function Tnt_Is_IntResource(ResStr: LPCWSTR): Boolean;
begin
  Result := HiWord(Cardinal(ResStr)) = 0;
end;

function LANGIDFROMLCID(lcid: LCID): WORD;
begin
  Result := LoWord(lcid);
end;

function MAKELANGID(usPrimaryLanguage, usSubLanguage: WORD): WORD;
begin
  Result := (usSubLanguage shl 10) or usPrimaryLanguage;
end;

function MAKELCID(wLanguageID: WORD; wSortID: WORD = SORT_DEFAULT): LCID;
begin
  Result := MakeLong(wLanguageID, wSortID);
end;

function PRIMARYLANGID(lgid: WORD): WORD;
begin
  Result := lgid and $03FF;
end;

function SORTIDFROMLCID(lcid: LCID): WORD;
begin
  Result := HiWord(lcid);
end;

function SUBLANGID(lgid: WORD): WORD;
begin
  Result := lgid shr 10;
end;

initialization

finalization
  if Shell32DLL <> 0 then
    FreeLibrary(Shell32DLL);

end.