public override void OnEntering(IScreen last)
{
backgroundStack?.Push(ownedBackground = CreateBackground());
background = backgroundStack?.CurrentScreen as BackgroundScreen;
if (ownedBackground != background)
{
ownedBackground?.Dispose();
ownedBackground = null;
}
base.OnEntering(last);
}
public void Push(BackgroundScreen screen)
{
if (screen == null)
{
return;
}
if (EqualityComparer <BackgroundScreen> .Default.Equals((BackgroundScreen)CurrentScreen, screen))
{
return;
}
base.Push(screen);
}
