IApplicationLifetimeAware.Exiting Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Called by an application immediately before the Application.Exit event occurs.
Assembly: System.Windows (in System.Windows.dll)
This method enables your service to perform any cleanup that requires access to resources that will disposed in an application Exit event handler. This method can also access any resources in other services that will be disposed in their IApplicationService.StopService methods, regardless of the service shutdown sequence.