Fires when a popup window which contains the current gallery is closed.
[DXCategory("Layout")] public event InplaceGalleryEventHandler PopupClose
<DXCategory("Layout")> Public Event PopupClose As InplaceGalleryEventHandler
The PopupClose event's data class is DevExpress.XtraBars.Ribbon.InplaceGalleryEventArgs.
Clicking the Dropdown button of a RibbonGalleryBarItem object displays the bar item's gallery within a popup window. The PopupClose event occurs when this popup window is closed.