Application.NavigationFailed Event  
Definition
Important
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Occurs when an error occurs while a navigator in the application is navigating to the requested content.
public:
 event System::Windows::Navigation::NavigationFailedEventHandler ^ NavigationFailed;
	public event System.Windows.Navigation.NavigationFailedEventHandler NavigationFailed;
	member this.NavigationFailed : System.Windows.Navigation.NavigationFailedEventHandler 
	Public Custom Event NavigationFailed As NavigationFailedEventHandler 
	Public Event NavigationFailed As NavigationFailedEventHandler 
	Event Type
Remarks
A navigator is either a NavigationWindow or a Frame.
See NavigationService.NavigationFailed.