//The constructor associates the control //with the smart tag list. public ExpandCollapsePanelActionList(IComponent component) : base(component) { this.panel = component as ExpandCollapsePanel; // Cache a reference to DesignerActionUIService, so the // DesigneractionList can be refreshed. this.designerActionUISvc = GetService(typeof(DesignerActionUIService)) as DesignerActionUIService; }