'Declaration Public Class GalleryItemCollection Inherits Infragistics.Collections.ObservableCollectionExtended(Of GalleryItem)
public class GalleryItemCollection : Infragistics.Collections.ObservableCollectionExtended<GalleryItem>
Note: Every GalleryItem added to the collection must have a unique value set on its Key property. If an attempt is made to add a GalleryItem whose Key property value conflicts with the value of the Key property of an existing GalleryItem in the collection, an exception will be thrown.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2