[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Occurs when the application is exiting.
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
XMLNS for XAML: Not mapped to an xmlns.
Public Event Closing As EventHandler(Of ClosingEventArgs)
public event EventHandler<ClosingEventArgs> Closing
<object Closing="EventHandler<ClosingEventArgs>" .../>
This event is raised when the user uses the Back button to navigate backwards past the first page of the application. Handle this event by saving persistent state, such as settings and user data, to isolated storage.
Windows Phone OS
Supported in: 8.1, 8.0, 7.1, 7.0