WPF Professional Programming Guide-Dispatcherunhandledexception

There is one event in the application class for WPF: Dispatcherunhandledexception, which occurs when the application does not handle the exception, thus putting the final door for the application.

1 namespaceChapter1_wpfapplication12 {3     /// <summary>4     ///Interaction logic for App.xaml5     /// </summary>6      Public Partial classapp:application7     {8         protected Override voidOnstartup (StartupEventArgs e)9         {Ten             Base. Onstartup (e); One  A              This. Dispatcherunhandledexception + =app_dispatcherunhandledexception; -         } -  the         voidApp_dispatcherunhandledexception (Objectsender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e) -         { -             Throw Newnotimplementedexception (); -         } +     } -}

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Obviously, this can be used as a backup method, but it is not possible to rely on it to solve the problem proactively, or to have a good habit of catching anomalies.

WPF Professional Programming Guide-Dispatcherunhandledexception