public override void remove(MenuComponent menuComponent)
 {
     this.MenuList.Remove(menuComponent);
 }
 public virtual void remove(MenuComponent menuComponent)
 {
 }
 public override void add(MenuComponent menuComponent)
 {
     base.add(menuComponent);
     this.MenuList.Add(menuComponent);
 }
 public virtual void add(MenuComponent menuComponent)
 {
     menuComponent.Parent = this;
 }