利用委托机制处理.NET中的异常

WinForm代码

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private void button1_Click(object sender, EventArgs e)         {             try             {                 Convert.ToInt32("abcd");             }             catch (Exception ex)             {                 ///通过delegate转向工作线程的异常处理                 new ThreadExceptionHelper().ExceptionHandler(ex);             }         }

 

处理代码：

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; using System.Windows.Forms;   namespace WinFormTest {     public class ThreadExceptionHelper     {         /// <summary>         /// 通过delegate转向工作线程的异常处理         /// </summary>         /// <param name="ex"></param>         public void ExceptionHandler(Exception ex)         {             new WorkerThreadExceptionHandlerDelegate(WorkerThreadExceptionHandler).BeginInvoke(ex, null, null);         }             public void MainUIThreadExceptionHandler(Exception ex)         {             MainUIThreadExceptionHandler(this, new ThreadExceptionEventArgs(ex));         }           /// <summary>         /// 主线程全局异常信息的处理         /// </summary>         /// <param name="sender"></param>         /// <param name="t"></param>         public static void MainUIThreadExceptionHandler(object sender, ThreadExceptionEventArgs e)         {             MessageBox.Show("系统异常：" + e.Exception.Message, "异常信息", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1, MessageBoxOptions.ServiceNotification);         }             /// <summary>         /// 声明工作线程的delegate         /// </summary>         public delegate void WorkerThreadExceptionHandlerDelegate(Exception e);           /// <summary>         /// 工作线程的异常处理         /// </summary>         /// <param name="e"></param>         public void WorkerThreadExceptionHandler(Exception e)         {             ///添加其他的处理代码               ///通知全局异常处理程序             MainUIThreadExceptionHandler(this, new System.Threading.ThreadExceptionEventArgs(e));         }     } }