Subscriber portal
Gets the optional data Object that was passed when navigation commenced.
public: property Object^ ExtraData { Object^ get(); }
The optional data Object that was passed when navigation commenced.
ExtraData can be used to pass context-specific data that is specific to a particular navigation. ExtraData contains a reference to the object that is passed as the second argument when calling either Navigate or Navigate. Otherwise, it is null.
NavigationFailedEventArgs ClassSystem.Windows.Navigation Namespace