public override IMemento <ShapePool> Restore(ShapePool target)
{
int index = target.Count - 1;
IMemento <ShapePool> inverse = new RemoveShapeMemento(index, target[index]);
target.RemoveAt(target.Count - 1);
return(inverse);
}
public override IMemento <ShapePool> Restore(ShapePool target)
{
Shape removed = target[index];
IMemento <ShapePool> inverse = new RemoveShapeMemento(index, removed);
target.RemoveAt(index);
return(inverse);
}
