protected internal virtual void OnItemAdded(ToolStripItemEventArgs e)
        {
            if (e.Item.InternalVisible)
            {
                e.Item.Available = true;
            }

            m_helper.AddItem(e.Item);            //(e.Item.Text,0);
            //e.Item.SetPlacement (ToolStripItemPlacement.Main);


            if (this.Created)
            {
                this.PerformLayout();
            }

            ToolStripItemEventHandler eh = (ToolStripItemEventHandler)(Events [ItemAddedEvent]);

            if (eh != null)
            {
                eh(this, e);
            }
        }