Sets emulated screen settings to the specified parameters .
procedure SetScreen(aScreen: TCSScreen);
var screen:TCSScreen; screen.width:=1024; screen.height:=768; screen.colorDepth:=24; screen.pixelDepth:=24; screen.availHeight:=984; screen.availWidth:=768; screen.availLeft:=0; screen.availTop:=0; SetScreen(screen);