GetTopWindow  2WVP_PT 

The GetTopWindow function examines the Z order of the child windows associated with the specified parent window and retrieves the handle of the child window at the top of the Z order.

HWND GetTopWindow(

    HWND hWnd

// handle of parent window

   );

 

 

Parameters

hWnd

Identifies the parent window whose child windows are to be examined. If this parameter is NULL, the function returns a handle of the window at the top of the Z order.

 

Return Values

If the function succeeds, the return value is the handle of the child window at the top of the Z order. If the specified window has no child windows, the return value is NULL. To get extended error information, use the GetLastError11C2VS7 function.

See Also

GetNextWindow, GetWindow