Microsoft.AspNet.SignalR.Client.Connection.Trace C# (CSharp) Method

        public void Trace(TraceLevels level, string format, params object[] args)
        {
            lock (_traceLock)
            {
                if (TraceLevel.HasFlag(level))
                {
                    _traceWriter.WriteLine(
                        DateTime.UtcNow.ToString("HH:mm:ss.fffffff", CultureInfo.InvariantCulture) + " - " +
                            (ConnectionId ?? "null") + " - " +
                            format,
                        args);
                }
            }
        }