Platform SDK: Win32 API

Obsolete Windows Programming Elements

The following table provides a list of functions that are included in the Win32 API only for backward compatibility with the 16-bit Windows API.

16-bit Windows API	Win32 API 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	No equivalent.
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.
DefineHandleTable	No equivalent.
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.
FixBrushOrgEx	No equivalent.
FloodFill	Replaced by the ExtFloodFill function.
FreeModule	Replaced by the FreeLibrary function.
FreeProcInstance	No equivalent.
FreeResource	No equivalent.
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	No equivalent.
GetTextExtentPoint	Replaced by the GetTextExtentPoint32 function.
GetWindowTask	Replaced by the GetWindowThreadProcessId function.
GetWindowWord	Replaced by the GetWindowLong function.
GlobalAlloc	Replaced by memory management functions.
GlobalCompact	No equivalent.
GlobalDiscard	No equivalent.
GlobalFix	No equivalent.
GlobalFlags	No equivalent.
GlobalFree	Replaced by memory management functions.
GlobalHandle	No equivalent.
GlobalLock	No equivalent.
GlobalLRUNewest	No equivalent.
GlobalLRUOldest	No equivalent.
GlobalReAlloc	Replaced by memory management functions.
GlobalSize	No equivalent.
GlobalUnfix	No equivalent.
GlobalUnlock	No equivalent.
GlobalUnwire	No equivalent.
GlobalWire	No equivalent.
IsBadHugeReadPtr	Equivalent to the IsBadReadPtr function.
IsBadHugeWritePtr	Equivalent to the IsBadWritePtr function.
LimitEmsPages	No equivalent.
LoadModule	Replaced by the CreateProcess function.
LocalAlloc	Replaced by memory management functions.
LocalCompact	No equivalent.
LocalDiscard	No equivalent.
LocalFlags	No equivalent.
LocalFree	Replaced by memory management functions.
LocalHandle	No equivalent.
LocalLock	No equivalent.
LocalReAlloc	Replaced by memory management functions.
LocalShrink	No equivalent.
LocalSize	No equivalent.
LocalUnlock	No equivalent.
LockSegment	No equivalent.
LZDone	Replaced by the LZCopy function.
LZStart	Replaced by the LZCopy function.
MakeProcInstance	No equivalent.
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.
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	No equivalent.
SetHandleCount	No equivalent.
SetMessageQueue	No equivalent.
SetMetaFileBitsEx	Replaced by the SetEnhMetaFileBits function.
SetSysModalWindow	No equivalent.
SetSwapAreaSize	No equivalent.
SetWindowsHook	Replaced by the SetWindowsHookEx function.
SetWindowWord	Replaced by the SetWindowLong function.
UnhookWindowsHook	Replaced by the UnhookWindowsHookEx function.
UnlockResource	No equivalent.
UnlockSegment	No equivalent.
WaitForPrinterChange	Replaced by the FindFirstPrinterChangeNotification function.
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	No equivalent.