C#程序异常关闭时的捕获

using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace DemoException{  static class Program  {    /// <summary>    /// 应用程序的主入口点。    /// </summary>    [STAThread]    static void Main()    {      Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);      //处理UI线程异常      Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);      //处理非线程异常      AppDomain.CurrentDomain.UnhandledException +=new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException) ;      Application.EnableVisualStyles();      Application.SetCompatibleTextRenderingDefault(false);      Application.Run(new FrmMain());      glExitApp = true;//标志应用程序可以退出    }    /// <summary>    /// 是否退出应用程序    /// </summary>    static bool glExitApp = false;    /// <summary>    /// 处理未捕获异常    /// </summary>    /// <param name="sender"></param>    /// <param name="e"></param>    private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)    {      SaveLog("-----------------------begin--------------------------");      SaveLog("CurrentDomain_UnhandledException"+DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss"));      SaveLog("IsTerminating : " + e.IsTerminating.ToString());      SaveLog(e.ExceptionObject.ToString());      SaveLog("-----------------------end----------------------------");      while (true)      {//循环处理，否则应用程序将会退出        if (glExitApp)        {//标志应用程序可以退出，否则程序退出后，进程仍然在运行          SaveLog("ExitApp");          return;        }        System.Threading.Thread.Sleep(2 * 1000);      };    }    /// <summary>    /// 处理UI主线程异常    /// </summary>    /// <param name="sender"></param>    /// <param name="e"></param>    private static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)    {      SaveLog("-----------------------begin--------------------------");      SaveLog("Application_ThreadException:" + e.Exception.Message);      SaveLog(e.Exception.StackTrace);      SaveLog("-----------------------end----------------------------");    }    public static void SaveLog(string log)    {      string filePath =AppDomain.CurrentDomain.BaseDirectory+ @"/objPerson.txt";      //采用using关键字，会自动释放      using (FileStream fs = new FileStream(filePath, FileMode.Append))      {        using (StreamWriter sw = new StreamWriter(fs, Encoding.Default))        {          sw.WriteLine(log);        }      }    }  }}

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading;using System.Threading.Tasks;using System.Windows.Forms;namespace DemoException{  public partial class FrmMain : Form  {    public FrmMain()    {      InitializeComponent();    }    private void FrmMain_Load(object sender, EventArgs e)    {          }    private void btnTestUI_Click(object sender, EventArgs e)    {      int a = 0;      int c = 10 / a;    }    private void btnTest2_Click(object sender, EventArgs e)    {      Thread t = new Thread(new ThreadStart(() =>      {        int a = 0;        int c = 10 / a;      }));      t.IsBackground = true;      t.Start();    }  }}