public static void RemoveFadeable(Slideable f)
{
Slideables.Remove(f);
if (_dismissingAll) return;
foreach(var view in Slideables.Where(o => o.Top > f.Top))
view.SlideTo(view.Left, view.Top - f.Height - 10);
}
public static double AddFadeable(Slideable f)
{
Slideables.Add(f);
if (Slideables.Count == 1)
return 10;
var last = Slideables[Slideables.Count - 2];
return last.Top + last.Height + 10;
}