This class creates a ribbon button that references a menu macro. The menu macro is executed when the button is clicked.

Autodesk.AutoCAD.Customization.ElementBase
    Autodesk.AutoCAD.Customization.VersionableElement
        Autodesk.AutoCAD.Customization.CustomizationElement
            Autodesk.AutoCAD.Customization.RibbonItem
            Autodesk.AutoCAD.Customization.IImageContainer
            Autodesk.AutoCAD.Customization.IReference
                Autodesk.AutoCAD.Customization.RibbonCommandButton

Public Class RibbonCommandButton
Inherits RibbonItem
Inherits IImageContainer
Inherits IReference

public class RibbonCommandButton : RibbonItem, IImageContainer, IReference;