C # Create System log

Using System;
Using System.Collections.Generic;
Using System.Text;
Using System.Diagnostics;
Namespace Log
{
Class Logwirter
{
<summary>
Event Source Name
</summary>
private string eventSourceName;
EventLogEntryType Eventlogtype;
Public Logwirter ()
{
eventSourceName = "Test";
Eventlogtype = EventLogEntryType.Error;
}
<summary>
Message Event Source Name
</summary>
public string eventSourceName
{
set {eventsourcename = value;}
}
<summary>
Message Event Type
</summary>
Public EventLogEntryType Eventlogtype
{
set {Eventlogtype = value;}
}
<summary>
Write to System log
</summary>
<param name= "message" > Event content </param>
public void LogEvent (String message)
{
if (! EventLog.SourceExists (eventSourceName))
{
EventLog.CreateEventSource (eventSourceName, "Application");
}
EventLog.WriteEntry (eventsourcename, message, EventLogEntryType.Error);
}
}
}