rem: { decor=new BeDecorator(rect,wlook,wfeel,wflags);   }
add: decor=new BeDecorator(rect,title,wlook,wfeel,wflags,ddriver);
context: Decorator *instantiate_decorator(BRect rect, int32 wlook, int32 wfeel, int32 wflags){	Decorator *decor=NULL;	app_server->LockDecorator();	if(app_server->make_decorator!=NULL)		decor=app_server->make_decorator(rect,wlook,wfeel,wflags);	else	{		decor=new BeDecorator(rect,wlook,wfeel,wflags);//		decor=new WinDecorator(lay, dflags, wlook);//		decor=new YMakDecorator(lay, dflags, wlook);	}	decor->SetDriver(get_gfxdriver());	app_server->UnlockDecorator();	return decor;}