public static void InitLog(string logFileName)
        {
            TextWriterTraceListener consoleTraceListener = new TextWriterTraceListener(Console.Out);

            Trace.Listeners.Add(consoleTraceListener);

            TextWriterTraceListener textWriterTraceListener = new TextWriterTraceListener(logFileName);

            Trace.Listeners.Add(textWriterTraceListener);

            Trace.AutoFlush = true;

            Log.WriteLineIf("Log started.", TraceLevel.Off);
        }