using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Core.Mes.Client.Comm.Tool
{
    public class ExceptionHelper
    {
        private static int _registCnt = 0;

        /// <summary>
        /// 注册未捕获的异常。如果出现未捕获的异常，则自动捕获并写入到本地日志文件中。
        /// </summary>
        public static void RegistException()
        {
            if (_registCnt > 0) return;
            Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);
            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
            _registCnt++;
        }

        private static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            LogHelper.WriteLogs("Application_ThreadException", GetExceptionMsg(e.Exception));
        }

        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            LogHelper.WriteLogs("CurrentDomain_UnhandledException", GetExceptionMsg(e.ExceptionObject as Exception));
        }

        private static string GetExceptionMsg(Exception e)
        {
            if (e == null) return "";
            string msg = "错误消息：" + e.Message;
            msg += "\r\n错误源：" + e.Source;
            msg += "\r\n详细信息：" + e.StackTrace;

            return msg;
        }
    }
}