class midi_in : public Withmidi_inLayout<TopWindow>
{};

GUI_APP_MAIN
{
	midi_in inApp;
	// "lpGot" is just a dummy:
	LPARAM lpGot;
			
	for(;;)
		switch(inApp.Execute())
		{
		// for this I need the LPARAM and WPARAM:
		case MM_MIM_DATA:
			inApp.getMidiInData(lpGot);			
			break;
		case WM_KEYDOWN:
			PromptOK(t_("Want to quit proggy?"));
			return;
		}
	
	inApp.Run();
}