This class provides a collection for digitizer buttons.

Autodesk.AutoCAD.Customization.MenuGroupItemsCollection
    Autodesk.AutoCAD.Customization.ButtonGroupCollection
        Autodesk.AutoCAD.Customization.DigitizerButtonGroupCollection

Public Class DigitizerButtonGroupCollection
Inherits ButtonGroupCollection

public class DigitizerButtonGroupCollection : ButtonGroupCollection;