Unregisters a specified Shell window that is registered to receive Shell hook messages
#include <WinAPISysWin.au3>
_WinAPI_DeregisterShellHookWindow ( $hWnd )
| $hWnd | Handle to the window to unregister from receiving Shell hook messages. |
| Success: | True. |
| Failure: | False. |
Search DeregisterShellHookWindow in MSDN Library.