A ribbon item used to display the drop-down gallery functionality.
public class RibbonGalleryDropDownItem : RibbonButtonItem
Public Class RibbonGalleryDropDownItem Inherits RibbonButtonItem
The RibbonGalleryDropDownItem object is a ribbon item that implements the drop-down gallery functionality.
The RibbonGalleryDropDownItem object provides access to a collection of gallery groups (RibbonGalleryGroup) with the RibbonGalleryDropDownItem.Groups property. A RibbonGalleryGroup object contains a collection of gallery items (RibbonGalleryItem) that can be accessed by the RibbonGalleryGroup.Items property. You can get a list of all gallery items in the RibbonGalleryDropDownItem object using the RibbonGalleryDropDownItem.GetAllItems method.
The properties of the item's drop-down window can be customized using the RibbonGalleryDropDownItem.PropertiesDropDownGallery property.