// Methods public override void Add(Component component) { children.Add(component); }
public abstract void Remove(Component c);
// Methods public abstract void Add(Component c);
public override void Remove(Component c) { Console.WriteLine("Cannot remove from a leaf"); }
// Methods public override void Add(Component c) { Console.WriteLine("Cannot add to a leaf"); }
public override void Remove(Component component) { children.Remove(component); }