C#中全局处理异常方式

using System;
using System.Configuration;
using System.Text;
using System.Windows.Forms;
using ZB.QueueSys.Common;
 
namespace ZB.QueueSys
{
    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UI线程异常
            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
 
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            //数据库类型
            DBHelper.Instance.DBType = int.Parse(ConfigurationManager.AppSettings["DBType"]);
            //数据库连接串
            DBHelper.Instance.ConnectionStr = ConfigurationManager.ConnectionStrings["DBStr"].ConnectionString;
            Application.Run(new MainForm());
            //Application.Run(new QueueForm());
        }
 
        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString());
            LogHelper.Instance.SaveText(str);
            Exception error = e.ExceptionObject as Exception;
            MessageBox.Show(error.Message, "系统异常提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
 
        private static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            string str = GetExceptionMsg(e.Exception, e.ToString());
            LogHelper.Instance.SaveText(str);
            MessageBox.Show(e.Exception.Message, "系统异常提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
 
        /// <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>
        private 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("yyyy-MM-dd hh:mm:ss"));
            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();
        }
 
    }
}