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  • C# WinForm捕获全局异常

    static class Program
         {
             /// <summary>
             /// 应用程序的主入口点。
             /// </summary>
             [STAThread]
             static void Main()
             {
                 try
                 {
                     //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);
     
                     #region 应用程序的主入口点
                     Application.EnableVisualStyles();
                     Application.SetCompatibleTextRenderingDefault(false);
                     Application.Run(new Form1());
                     #endregion
                 }
                 catch (Exception ex)
                 {
                     string str = GetExceptionMsg(ex,string.Empty);
                     MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
     
     
             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);

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

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

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  • 原文地址:https://www.cnblogs.com/51net/p/3289091.html
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