The RibbonGalleryItem Collection Editor allows you to add any number of items to the gallery or remove items from the gallery. Additionally, you can edit the item's properties.

To edit the Ribbon gallery item(s), use the RibbonGalleryItem Collection Editor:

Clicking the Add button will add gallery item(s) to the Ribbon.

Accessing the RibbonGalleryItem Collection Editor

You can use one of the following two options to access the RibbonGalleryItem Collection Editor:

Option 1

1. Add a RibbonGallery to the Ribbon group.
2. Click the gallery element to activate it.
3. In the Properties window, click on the ellipsis button next to the Items property.
   The RibbonGalleryItem Collection Editor appears.

Option 2

1. Access the RibbonGroup Items Collection Editor.
2. Click the Add drop-down button and add a gallery item.
3. With the RibbonGallery selected in the Members list, click on the ellipsis button next to the Items property in the Properties window.
   
   The RibbonGalleryItem Collection Editor appears.