protected void Swop(int positionA, int positionB)
{
if (positionA < Items.Count && positionB < Items.Count)
{
SwopEvent?.Invoke(this, new Tuple <T, T>(Items[positionA], Items[positionB]));
SwopCount++;
T temp = Items[positionA];
Items[positionA] = Items[positionB];
Items[positionB] = temp;
}
}
public void Call_SwopEvent(object sender, Tuple <T, T> e)
{
SwopEvent?.Invoke(sender, e);
}