int HandleMAMEStart(Message msg) { HandleToMAMEWindow = msg.WParam; Reset_id_to_outname_cache(); // register ourselves as a client OSUtilities.PostMessage(HandleToMAMEWindow, OM_MAME_REGISTER_CLIENT, HandleOfListener, (IntPtr)WinMsgUtils.CLIENT_ID); //WinMsgUtils.SendMessage(mame_target, om_mame_register_client, listener_hwnd, (IntPtr)WinMsgUtils.CLIENT_ID); // get the game name Map_id_to_outname(IntPtr.Zero); return(0); }