public override void Remove(Component component) { throw new InvalidOperationException(); }
public abstract void Remove(Component component);
public override void Add(int key, Component component) { throw new InvalidOperationException(); }
public abstract void Add(Component component);
public abstract void Add(int key, Component component);
public override void Remove(Component component) { des.Remove(component); }
public override void Add(Component component) { des.Add(component); }
public override void Add(int key, Component component) { Nodes.Add(key, component); }