Open32 Functions

The highlighted functions behave differently than their Windows 32-bit counterparts.

• lclose
  
• lcreat
  
• llseek
  
• lopen
  
• lread
  
• lwrite
  
• 
  AbortDoc
  AbortPath
  AddAtom
  AddFontResource
  AdjustWindowRect
  AdjustWindowRectEx
  AngleArc
  AnimatePalette
  AppendMenu
  Arc
  ArcTo
  ArrangeIconicWindows
  
• 
  Beep
  BeginDeferWindowPos
  BeginPaint
  BeginPath
  BitBlt
  BringWindowToTop
  
• 
  CallMsgFilter
  CallNextHookEx
  CallWindowProc
  ChangeClipboardChain
  CharLower
  CharLowerBuff
  CharNext
  CharPrev
  CharToOem
  CharToOemBuff
  CharUpper
  CharUpperBuff
  CheckDlgButton
  CheckMenuItem
  CheckRadioButton
  ChildWindowFromPoint
  ChooseColor
  ChooseFont
  Chord
  ClientToScreen
  ClipCursor
  CloseClipboard
  CloseEnhMetaFile
  CloseFigure
  CloseHandle
  CloseMetaFile
  CloseWindow
  CombineRgn
  CommDlgExtendedError
  CompareFileTime
  ConvertDefaultLocale
  CopyAcceleratorTable
  CopyCursor
  CopyEnhMetaFile
  CopyFile
  CopyIcon
  CopyMetaFile
  CopyRect
  CountClipboardFormats
  CreateAcceleratorTable
  CreateBitmap
  CreateBitmapIndirect
  CreateBrushIndirect
  CreateCaret
  CreateCompatibleBitmap
  CreateCompatibleDC
  CreateCursor
  CreateDC
  CreateDialog
  CreateDialogIndirect
  CreateDialogIndirectParam
  CreateDialogParam
  CreateDIBitmap
  CreateDIBPatternBrushPt
  CreateDirectory
  CreateEllipticRgn
  CreateEllipticRgnIndirect
  CreateEnhMetaFile
  CreateEvent
  CreateFile
  CreateFont
  CreateFontIndirect
  CreateHatchBrush
  CreateIC
  CreateIcon
  CreateIconFromResource
  CreateIconIndirect
  CreateMDIWindow
  CreateMenu
  CreateMetaFile
  CreateMutex
  CreatePalette
  CreatePatternBrush
  CreatePen
  CreatePenIndirect
  CreatePolygonRgn
  CreatePolyPolygonRgn
  CreatePopupMenu
  CreateProcess
  CreateRectRgn
  CreateRectRgnIndirect
  CreateRoundRectRgn
  CreateSemaphore
  CreateSolidBrush
  CreateThread
  CreateWindow
  CreateWindowEx
  
• 
  DdeAbandonTransaction
  DdeAccessData
  DdeAddData
  DdeClientTransaction
  DdeCmpStringHandles
  DdeConnect
  DdeConnectList
  DdeCreateDataHandle
  DdeCreateStringHandle
  DdeDisconnect
  DdeDisconnectList
  DdeEnableCallback
  DdeFreeDataHandle
  DdeFreeStringHandle
  DdeGetData
  DdeGetLastError
  DdeInitialize
  DdeKeepStringHandle
  DdeNameService
  DdePostAdvise
  DdeQueryConvInfo
  DdeQueryNextServer
  DdeQueryString
  DdeReconnect
  DdeSetUserHandle
  DdeUnaccessData
  DdeUninitialize
  DefDlgProc
  DeferWindowPos
  DefFrameProc
  DefMDIChildProc
  DefWindowProc
  DeleteAtom
  DeleteCriticalSection
  DeleteDC
  DeleteEnhMetaFile
  DeleteFile
  DeleteMenu
  DeleteMetaFile
  DeleteObject
  DestroyAcceleratorTable
  DestroyCaret
  DestroyCursor
  DestroyIcon
  DestroyMenu
  DestroyWindow
  DialogBox
  DialogBoxIndirect
  DialogBoxIndirectParam
  DialogBoxParam
  DispatchMessage
  DlgDirList
  DlgDirListComboBox
  DlgDirSelectComboBoxEx
  DlgDirSelectEx
  DllEntryPoint
  DosDateTimeToFileTime
  DPtoLP
  DragAcceptFiles
  DragFinish
  DragQueryFile
  DragQueryPoint
  DrawFocusRect
  DrawIcon
  DrawMenuBar
  DrawText
  DuplicateHandle
  
• 
  Ellipse
  EmptyClipboard
  EnableMenuItem
  EnableScrollBar
  EnableWindow
  EndDeferWindowPos
  EndDialog
  EndDoc
  EndPage
  EndPaint
  EndPath
  EnhMetaFileProc
  EnterCriticalSection
  EnumChildWindows
  EnumClipboardFormats
  EnumEnhMetaFile
  EnumFontFamilies
  EnumFonts
  EnumMetaFile
  EnumObjects
  EnumProps
  EnumPropsEx
  EnumSystemLocales
  EnumThreadWindows
  EnumWindows
  EqualRect
  EqualRgn
  Escape
  ExcludeClipRect
  ExcludeUpdateRgn
  ExitProcess
  ExitThread
  ExitWindows
  ExitWindowsEx
  ExtCreatePen
  ExtCreateRegion
  ExtFloodFill
  ExtSelectClipRgn
  ExtTextOut
  ExtractIcon
  
• 
  FatalAppExit
  FatalExit
  FileTimeToDosDateTime
  FileTimeToLocalFileTime
  FileTimeToSystemTime
  FillPath
  FillRect
  FillRgn
  FindAtom
  FindClose
  FindFirstFile
  FindNextFile
  FindResource
  FindText
  FindWindow
  FlashWindow
  FlattenPath
  FloodFill
  FlushFileBuffers
  FrameRect
  FrameRgn
  FreeDDElParam
  FreeLibrary
  FreeProcInstance
  
• 
  GdiComment
  GetACP
  GetActiveWindow
  GetArcDirection
  GetAspectRatioFilterEx
  GetAsyncKeyState
  GetAtomName
  GetBitmapBits
  GetBitmapDimensionEx
  GetBkColor
  GetBkMode
  GetBoundsRect
  GetBrushOrgEx
  GetBValue
  GetCapture
  GetCaretBlinkTime
  GetCaretPos
  GetCharABCWidths
  GetCharWidth
  GetClassInfo
  GetClassLong
  GetClassName
  GetClassWord
  GetClientRect
  GetClipboardData
  GetClipboardFormatName
  GetClipboardOwner
  GetClipboardViewer
  GetClipBox
  GetClipCursor
  GetClipRgn
  GetCommandLine
  GetCurrentDirectory
  GetCurrentObject
  GetCurrentPositionEx
  GetCurrentProcess
  GetCurrentProcessId
  GetCurrentThread
  GetCurrentThreadId
  GetCurrentTime
  GetCursor
  GetCursorPos
  GetDC
  GetDCEx
  GetDCOrgEx
  GetDesktopWindow
  GetDeviceCaps
  GetDialogBaseUnits
  GetDIBits
  GetDiskFreeSpace
  GetDlgCtrlID
  GetDlgItem
  GetDlgItemInt
  GetDlgItemText
  GetDoubleClickTime
  GetDriveType
  GetEnhMetaFile
  GetEnhMetaFileBits
  GetEnhMetaFileDescription
  GetEnhMetaFileHeader
  GetEnhMetaFilePaletteEntries
  GetEnvironmentStrings
  GetEnvironmentVariable
  GetExitCodeProcess
  GetExitCodeThread
  GetFileAttributes
  GetFileInformationByHandle
  GetFileSize
  GetFileTime
  GetFileTitle
  GetFileType
  GetFocus
  GetForegroundWindow
  GetFullPathName
  GetGraphicsMode
  GetGValue
  GetIconInfo
  GetKerningPairs
  GetKeyboardLayout
  GetKeyboardState
  GetKeyboardType
  GetKeyNameText
  GetKeyState
  GetLastActivePopup
  GetLastError
  GetLocaleInfo
  GetLocalTime
  GetLogicalDrives
  GetLogicalDriveStrings
  GetMapMode
  GetMenu
  GetMenuCheckMarkDimensions
  GetMenuContextHelpID
  GetMenuItemCount
  GetMenuItemID
  GetMenuState
  GetMenuString
  GetMessage
  GetMessageExtraInfo
  GetMessagePos
  GetMessageTime
  GetMetaFile
  GetMetaFileBitsEx
  GetMiterLimit
  GetModuleFileName
  GetModuleHandle
  GetNearestColor
  GetNearestPaletteIndex
  GetNextDlgGroupItem
  GetNextDlgTabItem
  GetNextWindow
  GetObject
  GetObjectType
  GetOEMCP
  GetOpenClipboardWindow
  GetOpenFileName
  GetOutlineTextMetrics
  GetOverlappedResult
  GetPaletteEntries
  GetParent
  GetPath
  GetPixel
  GetPolyFillMode
  GetPriorityClass
  GetPriorityClipboardFormat
  GetPrivateProfileInt
  GetPrivateProfileString
  GetProcAddress
  GetProfileInt
  GetProfileString
  GetProp
  GetQueueStatus
  GetRasterizerCaps
  GetRegionData
  GetRgnBox
  GetROP2
  GetRValue
  GetSaveFileName
  GetScrollPos
  GetScrollRange
  GetStdHandle
  GetStockObject
  GetStretchBltMode
  GetStringTypeEx
  GetSubMenu
  GetSysColor
  GetSystemDirectory
  GetSystemMenu
  GetSystemMetrics
  GetSystemPaletteEntries
  GetSystemTime
  GetTabbedTextExtent
  GetTempFileName
  GetTempPath
  GetTextAlign
  GetTextCharacterExtra
  GetTextColor
  GetTextExtentPoint
  GetTextExtentExPoint
  GetTextFace
  GetTextMetrics
  GetThreadLocale
  GetThreadPriority
  GetTickCount
  GetTimeZoneInformation
  GetTopWindow
  GetUpdateRect
  GetUpdateRgn
  GetUserDefaultLangID
  GetUserDefaultLCID
  GetVersion
  GetVersionEx
  GetViewportExtEx
  GetViewportOrgEx
  GetVolumeInformation
  GetWindow
  GetWindowDC
  GetWindowExtEx
  GetWindowLong
  GetWindowOrgEx
  GetWindowPlacement
  GetWindowRect
  GetWindowsDirectory
  GetWindowText
  GetWindowTextLength
  GetWindowThreadProcessId
  GetWindowWord
  GetWinMetaFileBits
  GetWorldTransform
  GlobalAddAtom
  GlobalAlloc
  GlobalDeleteAtom
  GlobalDiscard
  GlobalFindAtom
  GlobalFlags
  GlobalFree
  GlobalGetAtomName
  GlobalHandle
  GlobalLock
  GlobalMemoryStatus
  GlobalReAlloc
  GlobalSize
  GlobalUnlock
  
• 
  HeapAlloc
  HeapCreate
  HeapDestroy
  HeapFree
  HeapReAlloc
  HeapSize
  HideCaret
  HiliteMenuItem
  
• 
  InflateRect
  InitAtomTable
  InitializeCriticalSection
  InSendMessage
  InsertMenu
  InterlockedDecrement
  InterlockedExchange
  InterlockedIncrement
  IntersectClipRect
  IntersectRect
  InvalidateRect
  InvalidateRgn
  InvertRect
  InvertRgn
  IsBadCodePtr
  IsBadHugeReadPtr
  IsBadHugeWritePtr
  IsBadReadPtr
  IsBadStringPtr
  IsBadWritePtr
  IsCharAlpha
  IsCharAlphaNumeric
  IsCharLower
  IsCharUpper
  IsChild
  IsClipboardFormatAvailable
  IsDBCSLeadByte
  IsDialogMessage
  IsDlgButtonChecked
  IsIconic
  IsMenu
  IsRectEmpty
  IsValidLocale
  IsWindow
  IsWindowEnabled
  IsWindowVisible
  IsZoomed
  
• 
  KillTimer
  
• 
  LeaveCriticalSection
  LineDDA
  LineTo
  LoadAccelerators
  LoadBitmap
  LoadCursor
  LoadIcon
  LoadLibrary
  LoadMenu
  LoadMenuIndirect
  LoadModule
  LoadResource
  LoadString
  LocalAlloc
  LocalDiscard
  LocalFileTimeToFileTime
  LocalFlags
  LocalFree
  LocalHandle
  LocalLock
  LocalReAlloc
  LocalSize
  LocalUnlock
  LockFile
  LockResource
  LockWindowUpdate
  LPtoDP
  lstrcat
  lstrcmpW
  lstrcpy
  lstrlen
  
• 
  MakeProcInstance
  MapDialogRect
  MapWindowPoints
  MaskBlt
  MessageBeep
  MessageBox
  ModifyMenu
  ModifyWorldTransform
  MoveFile
  MoveToEx
  MoveWindow
  MsgWaitForMultipleObjects
  MulDiv
  MultiByteToWideChar
  
• 
  OemToChar
  OemToCharBuff
  OffsetClipRgn
  OffsetRect
  OffsetRgn
  OffsetViewportOrgEx
  OffsetWindowOrgEx
  OpenClipboard
  OpenEvent
  OpenFile
  OpenMutex
  OpenProcess
  OpenSemaphore
  OutputDebugString
  
• 
  PackDDElParam
  PaintRgn
  PatBlt
  PathToRegion
  PeekMessage
  Pie
  PlayEnhMetaFile
  PlayEnhMetaFileRecord
  PlayMetaFile
  PlayMetaFileRecord
  PolyBezier
  PolyBezierTo
  PolyDraw
  Polygon
  Polyline
  PolylineTo
  PolyPolygon
  PolyPolyline
  PostMessage
  PostQuitMessage
  PostThreadMessage
  PrintDlg
  PtInRect
  PtInRegion
  PtVisible
  PulseEvent
  
• 
  ReadFile
  RealizePalette
  Rectangle
  RectInRegion
  RectVisible
  RedrawWindow
  Registry functions (see Registry and Registry Functions):
  
  RegCloseKey
  RegCreateKey
  RegCreateKeyEx
  RegDeleteKey
  RegDeleteValue
  RegEnumKey
  RegEnumKeyEx
  RegEnumValue
  RegisterClass
  RegisterClipboardFormat
  RegisterWindowMessage
  RegOpenKey
  RegOpenKeyEx
  RegQueryInfoKey
  RegQueryValue
  RegQueryValueEx
  RegSetValue
  RegSetValueEx
  ReleaseCapture ReleaseDC
  ReleaseMutex
  ReleaseSemaphore
  RemoveDirectory
  RemoveFontResource
  RemoveMenu
  RemoveProp
  ReplaceText
  ReplyMessage
  ResetDC
  ResetEvent
  ResizePalette
  RestoreDC
  ResumeThread
  ReuseDDElParam
  RoundRect
  
• 
  SaveDC
  ScaleViewportExtEx
  ScaleWindowExtEx
  ScreenToClient
  ScrollDC
  ScrollWindow
  ScrollWindowEx
  SearchPath
  SelectClipRgn
  SelectObject
  SelectPalette
  SendDlgItemMessage
  SendMessage
  SetAbortProc
  SetActiveWindow
  SetArcDirection
  SetBitmapBits
  SetBitmapDimensionEx
  SetBkColor
  SetBkMode
  SetBoundsRect
  SetBrushOrgEx
  SetCapture
  SetCaretBlinkTime
  SetCaretPos
  SetClassLong
  SetClassWord
  SetClipboardData
  SetClipboardViewer
  SetCurrentDirectory
  SetCursor
  SetCursorPos
  SetDIBits
  SetDIBitsToDevice
  SetDlgItemInt
  SetDlgItemText
  SetDoubleClickTime
  SetEndOfFile
  SetEnhMetaFileBits
  SetEnvironmentVariable
  SetEvent
  SetFileAttributes
  SetFilePointer
  SetFileTime
  SetFocus
  SetForegroundWindow
  SetGraphicsMode
  SetHandleCount
  SetKeyboardState
  SetLastError
  SetLocaleInfo
  SetLocalTime
  SetMapMode
  SetMapperFlags
  SetMenu
  SetMenuContextHelpID
  SetMenuItemBitmaps
  SetMetaFileBitsEx
  SetMiterLimit
  SetPaletteEntries
  SetParent
  SetPixel
  SetPolyFillMode
  SetPriorityClass
  SetProp
  SetRect
  SetRectEmpty
  SetRectRgn
  SetROP2
  SetScrollPos
  SetScrollRange
  SetStdHandle
  SetStretchBltMode
  SetSysColors
  SetSystemTime
  SetTextAlign
  SetTextCharacterExtra
  SetTextColor
  SetTextJustification
  SetThreadPriority
  SetTimer
  SetTimeZoneInformation
  SetViewportExtEx
  SetViewportOrgEx
  SetVolumeLabel
  SetWindowExtEx
  SetWindowLong
  SetWindowOrgEx
  SetWindowPlacement
  SetWindowPos
  SetWindowsHookEx
  SetWindowText
  SetWindowWord
  SetWinMetaFileBits
  SetWorldTransform
  ShellExecute
  ShowCaret
  ShowCursor
  ShowOwnedPopups
  ShowScrollBar
  ShowWindow
  SizeofResource
  Sleep
  StartDoc
  StartPage
  StretchBlt
  StretchDIBits
  StrokeAndFillPath
  StrokePath
  SubtractRect
  SuspendThread
  SwapMouseButton
  SystemParametersInfo
  SystemTimeToFileTime
  SystemTimeToTzSpecificLocalTime
  
• 
  TabbedTextOut
  TerminateProcess
  TerminateThread
  TextOut
  timeGetSystemTime
  timeGetTime
  TlsAlloc
  TlsFree
  TlsGetValue
  TlsSetValue
  TrackPopUpMenu
  TranslateAccelerator
  TranslateMDISysAccel
  TranslateMessage
  
• 
  UnhookWindowsHookEx
  UnionRect
  UnlockFile
  UnpackDDElParam
  UnrealizeObject
  UnregisterClass
  UpdateWindow
  
• 
  ValidateRect
  ValidateRgn
  VkKeyScan
  
• 
  WaitForInputIdle
  WaitForMultipleObjects
  WaitForSingleObject
  WaitMessage
  WideCharToMultiByte
  WidenPath
  WindowFromDC
  WindowFromPoint
  WinExec
  WinHelp
  WinMain
  WriteFile
  WritePrivateProfileString
  WriteProfileString
  wsprintf
  wvsprintf
  
• 
  Yield
  
• 
  ZeroMemory