Occurs when an error occurs while navigating to the requested content.
Assembly: PresentationFramework (in PresentationFramework.dll)
When either a WebException or an IOException is thrown during a navigation, the event is raised. is passed a NavigationFailedEventArgs that encapsulates information about both the exception and the details of the navigation that caused the exception.
When an exception results from a failed navigation, and is unhandled, the following events are raised in the order listed:
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.