C# WinForm捕獲全局異常

static class Program
     {
         /// <summary>
         /// 應用程序的主入口點。
         /// </summary>
         [STAThread]
         static void Main()
         {
             try
             {
                 //設置應用程序處理異常方式：ThreadException處理
                 Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
                 //處理UI線程異常
                 Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);
                 //處理非UI線程異常
                 AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
 
                 #region 應用程序的主入口點
                 Application.EnableVisualStyles();
                 Application.SetCompatibleTextRenderingDefault(false);
                 Application.Run(new Form1());
                 #endregion
             }
             catch (Exception ex)
             {
                 string str = GetExceptionMsg(ex,string.Empty);
                 MessageBox.Show(str, "系統錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
         }
 
 
         static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
         {
             string str = GetExceptionMsg(e.Exception, e.ToString());
             MessageBox.Show(str, "系統錯誤", 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, "系統錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error);
             //LogManager.WriteLog(str);
         }
 
         /// <summary>
         /// 生成自定義異常消息
         /// </summary>
         /// <param name="ex">異常對象</param>
         /// <param name="backStr">備用異常消息：當ex為null時有效</param>
         /// <returns>異常字符串文本</returns>
         static string GetExceptionMsg(Exception ex,string backStr)
         {
             StringBuilder sb = new StringBuilder();
             sb.AppendLine("****************************異常文本****************************");
             sb.AppendLine("【出現時間】：" + DateTime.Now.ToString());
             if (ex != null)
             {               
                 sb.AppendLine("【異常類型】：" + ex.GetType().Name);
                 sb.AppendLine("【異常信息】：" + ex.Message);
                 sb.AppendLine("【堆棧調用】：" + ex.StackTrace);

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

            }
             else
             {
                 sb.AppendLine("【未處理異常】：" + backStr);
             }
             sb.AppendLine("***************************************************************");
             return sb.ToString();
         }
     }