EnumThreadWindows The EnumThreadWindows function enumerates all nonchild windows associated with a thread by passing the handle of each window, in turn, to an application-defined callback function. EnumThreadWindows continues until the last window is enumerated or the callback function returns FALSE. VB4-32,5,6 Declare Function EnumThreadWindows Lib "user32" Alias "EnumThreadWindows" (ByVal dwThreadId As Long, ByVal lpfn As Long, ByVal lParam As Long) As Long |
Operating Systems Supported |
Requires Windows NT 3.1 or later; Requires Windows 95 or later |
· dwThreadId Identifies the thread whose windows are to be enumerated.
· lpfn Points to an application-defined callback function. For more information about the callback function, see the EnumThreadWndProc 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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