public static ScreenCaller Call(Screen screen, Drawer d, Func <int> delay)
{
var output = new ScreenCaller();
screen.OnExit += (o) => { output.prevScreenResult = o; };
do
{
d.Create(screen);
d.DrawToConsole();
Thread.Sleep(delay());
} while (!screen.Exited);
d.Remove(screen);
d.DrawToConsole();
screen.OnExit -= (o) => { output.prevScreenResult = o; };
return(output);
}
