winform-全局异常捕获作用

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using JxsFL.CaiGou;
using JxsFL.CangKu;
using JxsFL.CangKu.Out;
using JxsFL.KJ;
using JxsFL.LEDs;
using DevExpress.LookAndFeel;
using System.IO;

namespace JxsFL
{
    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            try
            {
                //处理未捕获的异常   
                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);
                if (System.Diagnostics.Process.GetProcessesByName(System.Diagnostics.Process.GetCurrentProcess().ProcessName).Length > 1)
                {
                    MessageBox.Show("已经有一个运行了");
                }
                else
                {
                    DevExpress.UserSkins.BonusSkins.Register();
                    DevExpress.UserSkins.OfficeSkins.Register();
                    DevExpress.Skins.SkinManager.EnableFormSkins();
                    UserLookAndFeel.Default.SetSkinStyle("Office 2010 Blue");
                    Application.EnableVisualStyles();
                    Application.SetCompatibleTextRenderingDefault(false);
                    //Application.Run(new JxsFL.Mead.ShiFuDCL.ShiFuDCLFind());
                    Application.Run(new Login());
                }
            }
            catch (Exception ex)
            {
                string str = "";
                string strDateInfo = "出现应用程序未处理的异常：" + DateTime.Now.ToString() + "\r\n";

if (ex != null)
                {
                    str = string.Format(strDateInfo + "异常类型：{0}\r\n异常消息：{1}\r\n异常信息：{2}\r\n",
                         ex.GetType().Name, ex.Message, ex.StackTrace);
                }
                else
                {
                    str = string.Format("应用程序线程错误:{0}", ex);
                }

writeLog(str);
                MessageBox.Show("发生致命错误，请及时联系深圳市金佳诺软件科技技术支持！", "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

}

/// <summary>
        ///发生异常写入文本文件，并弹出提示框（自定义，比如上传给邮件等）        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {

string str = "";
            string strDateInfo = "出现应用程序未处理的异常：" + DateTime.Now.ToString() + "\r\n";
            Exception error = e.Exception as Exception;
            if (error != null)
            {
                str = string.Format(strDateInfo + "异常类型：{0}\r\n异常消息：{1}\r\n异常信息：{2}\r\n",
                     error.GetType().Name, error.Message, error.StackTrace);
            }
            else
            {
                str = string.Format("应用程序线程错误:{0}", e);
            }

writeLog(str);
            MessageBox.Show("发生致命错误，请及时联系作者！", "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }

static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            string str = "";
            Exception error = e.ExceptionObject as Exception;
            string strDateInfo = "出现应用程序未处理的异常：" + DateTime.Now.ToString() + "\r\n";
            if (error != null)
            {
                str = string.Format(strDateInfo + "Application UnhandledException:{0};\n\r堆栈信息:{1}", error.Message, error.StackTrace);
            }
            else
            {
                str = string.Format("Application UnhandledError:{0}", e);
            }

writeLog(str);
            MessageBox.Show("发生致命错误，请停止当前操作并及时联系作者！", "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
        /// <summary>
        /// 写文件
        /// </summary>
        /// <param name="str"></param>
        static void writeLog(string str)
        {
            if (!Directory.Exists("ErrLog"))
            {
                Directory.CreateDirectory("ErrLog");
            }

using (StreamWriter sw = new StreamWriter(@"ErrLog\ErrLog.txt", true))
            {
                sw.WriteLine(str);
                sw.WriteLine("---------------------------------------------------------");
                sw.Close();
            }
        }
    }
}