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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 |
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Operating Systems Supported |
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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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