Catching Unhandled Exceptions in WPF Applications

WPFUnhandledException.cs

using System;
using System.Windows;
using System.Windows.Threading;

namespace __temp_WPF
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            /**
             *
             * In WPF, Metro, and Windows Form apps, you can subscribe to "global" exception handling events , "respectively":
             *
             * (1) Application.DispatcherUnhandledException
             * (2) Application.ThreadException
             *
             * These two are only for the UI-thread, main Thread.
             *
             */

            Application.Current.DispatcherUnhandledException +=
                (object sender, DispatcherUnhandledExceptionEventArgs e) =>
                {
                    MessageBox.Show("A crash occurred, Sorry for the inconvenient. Closing The App.");
                    e.Handled = true;
                    App.Current.Shutdown();
                };

            /**
            * AppDomai.CurrentThread.UnhandledException fires for any exception on any thread.
            * But it fires as the last solution.
            * Others may interfene before it
            * But since CLR 2.0 , the app will shut down after the handling code is finish.
            * To change this behavior,
            * add the following to app config file:
            *
            * <configuration>
            *  <runtime>
            *      <legacyUnhandledExceptionPolicy enabled="1" />
            *  </runtime>
            * </configuration>
            *
            */
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            throw new Exception("thread exception.");
        }
    }
}