EnumWindows 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 function returns FALSE. VB4-32,5,6 Declare Function EnumWindows Lib "user32.dll" (ByVal lpEnumFunc As Long, ByVal lParam As Long) As Long |
Operating Systems Supported |
Requires Windows NT 3.1 or later; Requires Windows 95 or later |
· 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. |
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. |
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