18/02/21 17:58:18.49 SJPTXnf1.net
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;
}