写入应用程序日志

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using KREventLogCls;

namespace WriteLog
...{
    public partial class Form1 : Form
    ...{
        public Form1()
        ...{
            InitializeComponent();
        }

        public void WriteLog(string sEvent)
        ...{
            string sSource;
            string sLog;

            sSource = "mApp";
            sLog = "mApplication";
            KREventLogCls.KREventLogCls mWriteLog = new KREventLogCls.KREventLogCls();

            if (!EventLog.SourceExists(sSource))
                EventLog.CreateEventSource(sSource, sLog);

            //EventLog.Delete(sLog);
            
            EventLog.WriteEntry(sSource, sEvent);
            EventLog.WriteEntry(sSource, sEvent,
            EventLogEntryType.Warning, 234);

        }

        private void button1_Click(object sender, EventArgs e)
        ...{
            try
            ...{
             WriteLog("写入成功");
            }
            catch (Exception ex)
            ...{

                WriteLog("错误处理");
            }
            finally
            ...{
 
            }
            
        }
    }
}

在事件查看器中可以看到刚才写入的信息．