Gets a value that indicates whether it has been necessary to update the change log because a CollectionChanged notification has been received on a different thread without first entering the user interface (UI) thread dispatcher.
Assembly: PresentationFramework (in PresentationFramework.dll)
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.