public void RemovePile()
{
int currentpileindex = Piles.IndexOf(CurrentPile);
if (currentpileindex == Piles.Count - 1)
{
Piles.Remove(CurrentPile);
if (currentpileindex == 0)
{
CurrentPile = null;
}
else
{
CurrentPile = Piles.Last();
}
}
else
{
Piles.Remove(CurrentPile);
CurrentPile = Piles[currentpileindex];
}
}