// Create an event log instance.
myEventLog = new EventLog(myLog);
// Initialize source property of obtained instance.
myEventLog.Source = mySource;
switch (myIntLog)
{
    case 1:
        // Write an 'Error' entry in specified log of event log.
        myEventLog.WriteEntry(myMessage, EventLogEntryType.Error, myID);
        break;
    case 2:
        // Write a 'Warning' entry in specified log of event log.
        myEventLog.WriteEntry(myMessage, EventLogEntryType.Warning, myID);
        break;
    case 3:
        // Write an 'Information' entry in specified log of event log.
        myEventLog.WriteEntry(myMessage, EventLogEntryType.Information, myID);
        break;
    case 4:
        // Write a 'FailureAudit' entry in specified log of event log.
        myEventLog.WriteEntry(myMessage, EventLogEntryType.FailureAudit, myID);
        break;
    case 5:
        // Write a 'SuccessAudit' entry in specified log of event log.
        myEventLog.WriteEntry(myMessage, EventLogEntryType.SuccessAudit, myID);
        break;
    default:
        Console.WriteLine("Error: Failed to create an event in event log.");
        break;
}
Console.WriteLine("A new event in log '{0}' with ID '{1}' "
   + "is successfully written into event log.",
   myEventLog.Log, myID);