API -> EnumWindows [ Library : user32.dll, Category : Window Handles ] [C#, VB, VB.net]

EnumWindows

Library : user32.dll Category : Window Handles

Api Example(s)
ChildWindows - Get all the child windows of another window
This is a link to different site Registering File Associations and Passing Command Line Parameters to an Existing App Instance
Enumerating Windows Using the API
Simple Interprocess Communications using WM_COPYDATA
This is a link to different site Enumerating Windows
Enumerating and Restoring Windows Using Callbacks
Enumerating Windows Using Callbacks
This is a link to different site EnumWindows and EnumChildWindows Callbacks

API Description :

The EnumWindows function enumerates all top-level windows on the screen by passing the handle of each window, in turn, to an application-defined callback function. EnumWindows continues until the last top-level window is enumerated or the callback functio

VB Declaration :

Show Multiline Public Private

Declare Function EnumWindows Lib "user32.dll" (ByVal lpEnumFunc As Long, ByVal lParam As Long) As Long

Parameters :

· lpEnumFunc
Points to an application-defined callback function. For more information, see the EnumWindowsProc callback function.

· lParam
Specifies a 32-bit, application-defined value to be passed to the callback function.

Return :

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

OS Requirement :

Requires Windows NT 3.1 or later
Requires Windows 95 or later

Dotnet Replacement :