System.Design 2.0.0.0 System.ComponentModel.Design.DesignerActionService To be added. Establishes a design-time service that manages the collection of objects for a component. Constructor 2.0.0.0 To be added. Creates a new instance of the class using the provided reference to the design host. A reference to the design host. Method 2.0.0.0 System.Void To be added. Gets the smart-tag item lists that are associated with a component. A reference to the control associated with the designer. The to add the associated smart tags to.