The following table provides a list of functions that are supported only for backward compatibility with the 16-bit Windows API.
| 16-bit Windows API | 32-bit Windows support |
|---|
| _hread | Replaced by the
ReadFile function. |
| _hwrite | Replaced by the
WriteFile function. |
| _lclose | Replaced by the
CloseHandle function. |
| _lcreat | Replaced by the
CreateFile function. |
| _llseek | Replaced by the
SetFilePointer function. |
| _lopen | Replaced by the
CreateFile function. |
| _lread | Replaced by the
ReadFile function. |
| _lwrite | Replaced by the
WriteFile function. |
| AnsiLower | Replaced by the
CharLower function. |
| AnsiLowerBuff | Replaced by the
CharLowerBuff function. |
| AnsiNext | Replaced by the
CharNext function. |
| AnsiPrev | Replaced by the
CharPrev function. |
| AnsiToOem | Replaced by the
CharToOem function. |
| AnsiToOemBuff | Replaced by the
CharToOemBuff function. |
| AnsiUpper | Replaced by the
CharUpper function. |
| AnsiUpperBuff | Replaced by the
CharUpperBuff function. |
| AnyPopup | Not generally useful. Maintained for compatibility with Windows 1.x. |
| CloseMetaFile | Replaced by the
CloseEnhMetaFile function. |
| CopyLZFile | Replaced by the
LZCopy function. |
| CopyMetaFile | Replaced by the
CopyEnhMetaFile function. |
| CreateDIBPatternBrush | Replaced by the
CreateDIBPatternBrush function. |
| CreateDiscardableBitmap | Replaced by the
CreateCompatibleBitmap function. |
| CreateMetaFile | Replaced by the
CreateEnhMetaFile function. |
| DefHookProc | Replaced by the
CallNextHookEx function. |
| DeleteMetaFile | Replaced by the
DeleteEnhMetaFile function. |
| EnumFontFamilies | Replaced by the
EnumFontFamiliesEx function. |
| EnumFontFamProc | Replaced by the
EnumFontFamExProc function. |
| EnumFonts | Replaced by the
EnumFontFamiliesEx function. |
| EnumFontsProc | Replaced by the
EnumFontFamExProc function. |
| EnumMetaFile | Replaced by the
EnumEnhMetaFile function. |
| EnumMetaFileProc | Replaced by the
EnhMetaFileProc function. |
| EnumTaskWindows | Replaced by the
EnumThreadWindows function. |
| FloodFill | Replaced by the
ExtFloodFill function. |
| FreeModule | Replaced by the
FreeLibrary function. |
| FreeProcInstance | Not necessary and has no effect. Windows can call entry points directly. |
| FreeResource | Replaced as follows:
- Accelerator:
DestroyAcceleratorTable
- Bitmap:
DeleteObject
- Cursor:
DestroyCursor
- Icon:
DestroyIcon
- Menu:
DestroyMenu
|
| GetBitmapBits | Replaced by the
GetDIBits function. |
| GetCharWidth | Replaced by the
GetCharWidth32 function. |
| GetClassWord | Replaced by the
GetClassLong function |
| GetCurrentTime | Replaced by the
GetTickCount function. |
| GetFreeSpace | Replaced by the
GlobalMemoryStatus function. |
| GetKBCodePage | Replaced by the
GetOEMCP function. |
| GetMetaFile | Replaced by the
GetEnhMetaFile function. |
| GetMetaFileBitsEx | Replaced by the
GetEnhMetaFileBits function. |
| GetPrivateProfileInt | Replaced by registry support. |
| GetPrivateProfileSection | Replaced by registry support. |
| GetPrivateProfileSectionNames | Replaced by registry support. |
| GetPrivateProfileString | Replaced by registry support. |
| GetPrivateProfileStruct | Replaced by registry support. |
| GetProfileInt | Replaced by registry support. |
| GetProfileSection | Replaced by registry support. |
| GetProfileString | Replaced by registry support. |
| GetSysModalWindow | The new input model does not support system modal windows. |
| GetTextExtentPoint | Replaced by the
GetTextExtentPoint32 function. |
| GetWindowTask | Replaced by the
GetWindowThreadProcessId function. |
| GetWindowWord | Replaced by the
GetWindowLong function. |
| GlobalCompact | Not necessary and has no effect. |
| GlobalFix | Not necessary and has no effect. |
| GlobalFlags | Not necessary and has no effect. |
| GlobalLRUNewest | Not necessary and has no effect. |
| GlobalLRUOldest | Not necessary and has no effect. |
| GlobalUnfix | Not necessary and has no effect. |
| GlobalUnWire | Not necessary and has no effect. |
| GlobalWire | Not necessary and has no effect. |
| IsBadHugeReadPtr | Equivalent to the
IsBadReadPtr function. There is only one memory model. |
| IsBadHugeWritePtr | Equivalent to the
IsBadWritePtr function. There is only one memory model. |
| LimitEmsPages | Not necessary and has no effect. |
| LoadModule | Replaced by the
CreateProcess function. |
| LocalCompact | Not necessary and has no effect. |
| LocalFlags | Not necessary and has no effect. |
| LocalShrink | Not necessary and has no effect. |
| LockSegment | Not necessary and has no effect. |
| LZDone | Replaced by the
LZCopy function. |
| LZStart | Replaced by the
LZCopy function. |
| MakeProcInstance | Not necessary and has no effect. Windows can call entry points directly. |
| OemToAnsi | Replaced by the
OemToChar function. |
| OemToAnsiBuff | Replaced by the
OemToCharBuff function. |
| OpenFile | Replaced by the
CreateFile function. |
| PlayMetaFile | Replaced by the
PlayEnhMetaFile function. |
| PlayMetaFileRecord | Replaced by the
PlayEnhMetaFileRecord function. |
| PostAppMessage | Replaced by the
PostThreadMessage function. |
| PrinterMessageBox | Not necessary and has no effect. |
| RegCreateKey | Replaced by the
RegCreateKeyEx function. |
| RegEnumKey | Replaced by the
RegEnumKeyEx function. |
| RegOpenKey | Replaced by the
RegOpenKeyEx function. |
| RegQueryValue | Replaced by the
RegQueryValueEx function. |
| RegSetValue | Replaced by the
RegSetValueEx function. |
| SetBitmapBits | Replaced by the
SetDIBits function. |
| SetClassWord | Replaced by the
SetClassLong function. |
| SetDebugErrorLevel | Not necessary and has no effect. |
| SetHandleCount | Not necessary and has no effect. There is no explicit file handle limit. |
| SetMessageQueue | Not necessary and has no effect. Message queues are expanded as needed. |
| SetMetaFileBitsEx | Replaced by the
SetEnhMetaFileBits function. |
| SetSwapAreaSize | Not necessary and has no effect. |
| SetSysModalWindow | Not necessary and has no effect. |
| SetWindowsHook | Replaced by the
SetWindowsHookEx function. |
| SetWindowWord | Replaced by the
SetWindowLong function. |
| UnhookWindowsHook | Replaced by the
UnhookWindowsHookEx function. |
| UnlockResource | Not necessary and has no effect. |
| UnlockSegment | Not necessary and has no effect. |
| WaitForPrinterChange | Replaced by the
FindFirstPrinterChangeNotification,
FindNextPrinterChangeNotification, and
FindClosePrinterChangeNotification functions. |
| WinExec | Replaced by the
CreateProcess function. |
| WNetAddConnection | Replaced by the
WNetAddConnection2 function. |
| WritePrivateProfileSection | Replaced by registry support. |
| WritePrivateProfileString | Replaced by registry support. |
| WritePrivateProfileStruct | Replaced by registry support. |
| WriteProfileSection | Replaced by registry support. |
| WriteProfileString | Replaced by registry support. |
| Yield | Not necessary and has no effect. The message loop handles synchronization.
Threads that create processes can use
WaitForInputIdle to wait until the new process has finished its initialization.
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