详解C#WinForm如何优雅的处理异常

/// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            BindExceptionHandler();
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new FORM1());
        }

        /// <summary>
        /// 绑定程序中的异常处理
        /// </summary>
        private static void BindExceptionHandler()
        {
            //设置应用程序处理异常方式：ThreadException处理
            Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
            //处理UI线程异常
            Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);
            //处理未捕获的异常
            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
        }

        /// <summary>
        /// 处理UI线程异常
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            string str = GetExceptionMsg(e.Exception, e.ToString());
            MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }

        /// <summary>
        /// 处理未捕获的异常
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString());
            MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }

        /// <summary>h
        /// 生成自定义异常消息
        /// </summary>
        /// <param name="ex">异常对象</param>
        /// <param name="backStr">备用异常消息：当ex为null时有效</param>
        /// <returns>异常字符串文本</returns>
        private static string GetExceptionMsg(Exception ex, string backStr)
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("****************************异常文本****************************");
            sb.AppendLine("【出现时间】：" + DateTime.Now);
            if (ex != null)
            {
                sb.AppendLine("【异常类型】：" + ex.GetType().Name);
                sb.AppendLine("【异常信息】：" + ex.Message);
                sb.AppendLine("【堆栈调用】：" + ex.StackTrace);

                sb.AppendLine("【异常方法】：" + ex.TargetSite);

            }
            else
            {
                sb.AppendLine("【未处理异常】：" + backStr);
            }
            sb.AppendLine("***************************************************************");
            return sb.ToString();
        }

private void button1_Click(object sender, EventArgs e)
        {
            int x = int.Parse(textBox1.Text);
        }

private string GetMsg(int code)
        {
            try
            {
                if (code == 10)
                {
                    return "Success";
                }
                else
                {
                    throw new Exception("Error Code");
                } 
            }
            catch (Exception ex)
            {
                return "Error:" + ex.Message;
            }
        }