user32.dll API Reference for C#, VB.NET and VB6

• ActivateKeyboardLayout
• AdjustWindowRect
• AdjustWindowRectEx
• AnyPopup
• AppendMenu
• ArrangeIconicWindows
• AttachThreadInput
• BeginDeferWindowPos
• BeginPaint
• BringWindowToTop
• BroadcastSystemMessage
• CallMsgFilter
• CallNextHookEx
• CallWindowProc
• CascadeWindows
• ChangeClipboardChain
• ChangeDisplaySettings
• ChangeMenu
• CharLower
• CharLowerBuff
• CharNext
• CharPrev
• CharToOem
• CharToOemBuff
• CharUpper
• CharUpperBuff
• CheckDlgButton
• CheckMenuItem
• CheckMenuRadioItem
• CheckRadioButton
• ChildWindowFromPoint
• ChildWindowFromPointEx
• ClientToScreen
• ClipCursor
• CloseClipboard
• CloseDesktop
• CloseWindow
• CloseWindowStation
• CopyAcceleratorTable
• CopyCursor
• CopyIcon
• CopyImage
• CopyRect
• CountClipboardFormats
• CreateAcceleratorTable
• CreateCaret
• CreateCursor
• CreateDesktop
• CreateDialogIndirectParam
• CreateDialogParam
• CreateIcon
• CreateIconFromResource
• CreateIconIndirect
• CreateMDIWindow
• CreateMenu
• CreatePopupMenu
• CreateWindowEx
• DdeAbandonTransaction
• DdeAccessData
• DdeAddData
• DdeClientTransaction
• DdeCmpStringHandles
• DdeConnect
• DdeConnectList
• DdeCreateDataHandle
• DdeCreateStringHandle
• DdeDisconnect
• DdeDisconnectList
• DdeEnableCallback
• DdeFreeDataHandle
• DdeFreeStringHandle
• DdeGetData
• DdeGetLastError
• DdeImpersonateClient
• DdeInitialize
• DdeKeepStringHandle
• DdeNameService
• DdePostAdvise
• DdeQueryConvInfo
• DdeQueryNextServer
• DdeQueryString
• DdeReconnect
• DdeSetQualityOfService
• DdeSetUserHandle
• DdeUnaccessData
• DdeUninitialize
• DefDlgProc
• DeferWindowPos
• DefFrameProc
• DefMDIChildProc
• DefWindowProc
• DeleteMenu
• DestroyAcceleratorTable
• DestroyCaret
• DestroyCursor
• DestroyIcon
• DestroyMenu
• DestroyWindow
• DialogBoxIndirectParam
• DispatchMessage
• DragDetect
• DragObject
• DrawAnimatedRects
• DrawCaption
• DrawEdge
• DrawFocusRect
• DrawFrameControl
• DrawIcon
• DrawIconEx
• DrawMenuBar
• DrawState
• DrawText
• DrawTextEx
• EmptyClipboard
• EnableMenuItem
• EnableScrollBar
• EnableWindow
• EndDeferWindowPos
• EndDialog
• EndPaint
• EnumChildWindows
• EnumClipboardFormats
• EnumDesktops
• EnumDesktopWindows
• EnumDisplaySettings
• EnumProps
• EnumPropsEx
• EnumThreadWindows
• EnumWindows
• EnumWindowStations
• EqualRect
• ExcludeUpdateRgn
• ExitWindows
• ExitWindowsEx
• FillRect
• FindWindow
• FindWindowEx
• FlashWindow
• FrameRect
• FreeDDElParam
• GetActiveWindow
• GetAsyncKeyState
• GetCapture
• GetCaretBlinkTime
• GetCaretPos
• GetClassInfo
• GetClassInfoEx
• GetClassLong
• GetClassName
• GetClassWord
• GetClientRect
• GetClipboardData
• GetClipboardFormatName
• GetClipboardOwner
• GetClipboardViewer
• GetClipCursor
• GetCursor
• GetCursorPos
• GetDC
• GetDCEx
• GetDesktopWindow
• GetDialogBaseUnits
• GetDlgCtrlID
• GetDlgItem
• GetDlgItemInt
• GetDlgItemText
• GetDoubleClickTime
• GetFocus
• GetForegroundWindow
• GetIconInfo
• GetInputState
• GetKBCodePage
• GetKeyboardLayout
• GetKeyboardLayoutList
• GetKeyboardLayoutName
• GetKeyboardState
• GetKeyboardType
• GetKeyNameText
• GetKeyState
• GetLastActivePopup
• GetMenu
• GetMenuCheckMarkDimensions
• GetMenuContextHelpId
• GetMenuDefaultItem
• GetMenuItemCount
• GetMenuItemID
• GetMenuItemInfo
• GetMenuItemRect
• GetMenuState
• GetMenuString
• GetMessage
• GetMessageExtraInfo
• GetMessagePos
• GetMessageTime
• GetNextDlgGroupItem
• GetNextDlgTabItem
• GetNextWindow
• GetOpenClipboardWindow
• GetParent
• GetPriorityClipboardFormat
• GetProcessWindowStation
• GetProp
• GetQueueStatus
• GetScrollInfo
• GetScrollPos
• GetScrollRange
• GetSubMenu
• GetSysColor
• GetSysColorBrush
• GetSystemMenu
• GetSystemMetrics
• GetTabbedTextExtent
• GetThreadDesktop
• GetTopWindow
• GetUpdateRect
• GetUpdateRgn
• GetUserObjectInformation
• GetUserObjectSecurity
• GetWindow
• GetWindowContextHelpId
• GetWindowDC
• GetWindowLong
• GetWindowPlacement
• GetWindowRect
• GetWindowRgn
• GetWindowText
• GetWindowTextLength
• GetWindowThreadProcessId
• GetWindowWord
• GrayString
• HideCaret
• HiliteMenuItem
• ImpersonateDdeClientWindow
• InflateRect
• InSendMessage
• InsertMenu
• InsertMenuItem
• IntersectRect
• InvalidateRect
• InvalidateRgn
• InvertRect
• IsCharAlpha
• IsCharAlphaNumeric
• IsCharLower
• IsCharUpper
• IsChild
• IsClipboardFormatAvailable
• IsDialogMessage
• IsDlgButtonChecked
• IsIconic
• IsMenu
• IsRectEmpty
• IsWindow
• IsWindowEnabled
• IsWindowUnicode
• IsWindowVisible
• IsZoomed
• keybd_event
• KillTimer
• LoadAccelerators
• LoadBitmap
• LoadCursor
• LoadCursorFromFile
• LoadIcon
• LoadImage
• LoadKeyboardLayout
• LoadMenu
• LoadMenuIndirect
• LoadString
• LockWindowUpdate
• LockWorkStation
• LookupIconIdFromDirectory
• LookupIconIdFromDirectoryEx
• MapDialogRect
• MapVirtualKey
• MapVirtualKeyEx
• MapWindowPoints
• Menu
• MenuItemFromPoint
• MessageBeep
• MessageBox
• MessageBoxEx
• MessageBoxIndirect
• ModifyMenu
• mouse_event
• MoveWindow
• MsgWaitForMultipleObjects
• OemKeyScan
• OemToChar
• OemToCharBuff
• OffsetRect
• OpenClipboard
• OpenDesktop
• OpenIcon
• OpenInputDesktop
• OpenWindowStation
• PackDDElParam
• PaintDesktop
• PeekMessage
• PostMessage
• PostQuitMessage
• PostThreadMessage
• PtInRect
• RedrawWindow
• RegisterClass
• RegisterClassEx
• RegisterClipboardFormat
• RegisterHotKey
• RegisterWindowMessage
• ReleaseCapture
• ReleaseDC
• RemoveMenu
• RemoveProp
• ReplyMessage
• ReuseDDElParam
• ScreenToClient
• ScrollDC
• ScrollWindow
• ScrollWindowEx
• SendDlgItemMessage
• SendInput
• SendMessage
• SendMessageCallback
• SendMessageTimeout
• SendNotifyMessage
• SetActiveWindow
• SetCapture
• SetCaretBlinkTime
• SetCaretPos
• SetClassLong
• SetClassWord
• SetClipboardData
• SetClipboardViewer
• SetCursor
• SetCursorPos
• SetDebugErrorLevel
• SetDlgItemInt
• SetDlgItemText
• SetDoubleClickTime
• SetFocus
• SetForegroundWindow
• SetKeyboardState
• SetLastErrorEx
• SetMenu
• SetMenuContextHelpId
• SetMenuDefaultItem
• SetMenuItemBitmaps
• SetMenuItemInfo
• SetMessageExtraInfo
• SetMessageQueue
• SetParent
• SetProcessWindowStation
• SetProp
• SetRect
• SetRectEmpty
• SetScrollInfo
• SetScrollPos
• SetScrollRange
• SetSysColors
• SetSystemCursor
• SetThreadDesktop
• SetTimer
• SetUserObjectInformation
• SetUserObjectSecurity
• SetWindowContextHelpId
• SetWindowLong
• SetWindowPlacement
• SetWindowPos
• SetWindowRgn
• SetWindowsHook
• SetWindowsHookEx
• SetWindowText
• SetWindowWord
• ShowCaret
• ShowCursor
• ShowOwnedPopups
• ShowScrollBar
• ShowWindow
• ShowWindowAsync
• SubtractRect
• SwapMouseButton
• SwitchDesktop
• SystemParametersInfo
• TabbedTextOut
• TileWindows
• ToAscii
• ToAsciiEx
• ToUnicode
• TrackPopupMenu
• TrackPopupMenuEx
• tractRect
• TranslateAccelerator
• TranslateMDISysAccel
• TranslateMessage
• UnhookWindowsHook
• UnhookWindowsHookEx
• UnionRect
• UnloadKeyboardLayout
• UnpackDDElParam
• UnregisterClass
• UnregisterHotKey
• UpdateWindow
• ValidateRect
• ValidateRgn
• VkKeyScan
• VkKeyScanEx
• WaitForInputIdle
• WaitMessage
• WindowFromDC
• WindowFromPoint
• WinHelp