static void Main()
        {
            //// Setup unhandled exception handlers
            //AppDomain.CurrentDomain.UnhandledException += // CLR
            //   new UnhandledExceptionEventHandler(OnUnhandledException);

            Application.ThreadException += // Windows Forms
         new System.Threading.ThreadExceptionEventHandler(
             OnGuiUnhandedException);

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }

        //// CLR unhandled exception
        //private static void OnUnhandledException(Object sender,
        //   UnhandledExceptionEventArgs e)
        //{
        //    HandleUnhandledException(e.ExceptionObject);
        //}

        // Windows Forms unhandled exception
        private static void OnGuiUnhandedException(Object sender,
           ThreadExceptionEventArgs e)
        {
            HandleUnhandledException(e.Exception);
        }

        static void HandleUnhandledException(Object o)
        {
            Exception e = o as Exception;

            if (e != null)
            { // Report System.Exception info
                MessageBox.Show("Exception = " + e.GetType());
                MessageBox.Show("Message = " + e.Message);
                MessageBox.Show("FullText = " + e.ToString());
            }
            else
            { // Report exception Object info
                MessageBox.Show("Exception = " + o.GetType());
                MessageBox.Show("FullText = " + o.ToString());
            }

            MessageBox.Show("An unhandled exception occurred " +
               "and the application is shutting down.");
            Environment.Exit(1); // Shutting down
        }

上述状态是编译成EXE后调试的结果，在IDE环境中情况不同。