BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
{
　　MSG msg;

　　USER_CheckNotLock();
　　check_for_driver_events( 0 );

　　if (!peek_message( &msg, hwnd, first, last, flags, 0 ))
　　{
　　　　DWORD ret;

　　　　flush_window_surfaces( TRUE );
　　　　ret = wow_handlers.wait_message( 0, NULL, 0, QS_ALLINPUT, 0 );
　　　　/* if we received driver events, check again for a pending message */
　　　　if (ret == WAIT_TIMEOUT || !peek_message( &msg, hwnd, first, last, flags, 0 )) return FALSE;
　　}

　　check_for_driver_events( msg.message );

　　/* copy back our internal safe copy of message data to msg_out.
　　 * msg_out is a variable from the *program*, so it can't be used
　　 * internally as it can get "corrupted" by our use of SendMessage()
　　 * (back to the program) inside the message handling itself. */
　　if (!msg_out)
　　{
　　　　SetLastError( ERROR_NOACCESS );
　　　　return FALSE;
　　}
　　*msg_out = msg;
　　return TRUE;
}