How to write to an event log by using Visual C#

Reference: http://support.microsoft.com/kb/307024

using System;
using System.Diagnostics;

namespace WriteToAnEventLog_csharp
{
 /// Summary description for Class1.
 class Class1
 {
  static void Main(string[] args)
  {
   string sSource;
   string sLog;
   string sEvent;

   sSource = "dotNET Sample App";
   sLog = "Application";
   sEvent = "Sample Event";

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

   EventLog.WriteEntry(sSource,sEvent);
   EventLog.WriteEntry(sSource, sEvent,
    EventLogEntryType.Warning, 234);
  }
 }
}