Calls the default window procedure to provide default processing for any window messages
#include <WinAPISysWin.au3>
_WinAPI_DefWindowProcW ( $hWnd, $iMsg, $wParam, $lParam )
| $hWnd | A handle to the window procedure that received the message. |
| $iMsg | The message. |
| $wParam | Additional message-specific information. The content of this parameter depends on the message. |
| $lParam | Additional message-specific information. The content of this parameter depends on the message. |
Search DefWindowProc in MSDN Library.