Hi Arthur,
You are putting a RibbonGallery in a popup. RibbonGallery is only intended for use in the Ribbon, directly within a Group. You should be using PopupGallery instead if you would like to have a gallery in a popup.
Hi Arthur,
You are putting a RibbonGallery in a popup. RibbonGallery is only intended for use in the Ribbon, directly within a Group. You should be using PopupGallery instead if you would like to have a gallery in a popup.