winform全局异常处理

static void Main()
        {

            //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);
            //处理非UI线程异常
            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);

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



        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);
            //LogManager.WriteLog(str);
        }

        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);
            //LogManager.WriteLog(str);
        }

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

 

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