Occurs when the Dispatcher begins to shut down.
Assembly: WindowsBase (in WindowsBase.dll)
The Dispatcher does not shutdown completely until the event queue unwinds.
Once the shutdown process begins, all pending work items in the queue are aborted.
Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.