The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Occurs when the hardware Back button is pressed.
(in Microsoft.Phone.dll)XMLNS for XAML:
Not mapped to an xmlns.
public event EventHandler<CancelEventArgs> BackKeyPress
<object BackKeyPress="EventHandler<CancelEventArgs>" .../>
Cancelling this event will cancel the default behavior of the hardware Back button that performs backward navigation.
Windows Phone OS
Supported in: 8.1, 8.0, 7.1, 7.0