GSF.IO.RunTimeLog.WriteLog C# (CSharp) Method

        protected void WriteLog()
        {
            try
            {
                if (Monitor.TryEnter(m_readerWriterLock))
                {
                    try
                    {
                        if (string.IsNullOrWhiteSpace(m_fileName))
                            throw new NullReferenceException("No run-time log file name was specified");

                        using (StreamWriter writer = File.CreateText(m_fileName))
                        {
                            writer.WriteLine("{0}={1}", LastStartTimeKey, m_startTime.ToString(DateTimeFormat, CultureInfo.InvariantCulture));
                            writer.WriteLine("{0}={1}", LastStopTimeKey, m_stopTime.ToString(DateTimeFormat, CultureInfo.InvariantCulture));
                            writer.WriteLine("{0}={1}", LastRunningTimeKey, m_runningTime.ToString(DateTimeFormat, CultureInfo.InvariantCulture));
                            writer.Flush();
                        }
                    }
                    finally
                    {
                        Monitor.Exit(m_readerWriterLock);
                    }
                }
            }
            catch (Exception ex)
            {
                OnProcessException(new InvalidOperationException("Failed to write run-time log: " + ex.Message, ex));
            }
        }