private string lookupChatter(string data, out string chatter) { int start = data.IndexOf(':'); int stop = data.IndexOf(':', start + 1); string key = data.Substring(start, stop - start); string msg = data.Remove(start, (stop - start) + 1); if (_session.HasKey(key)) { chatter = _session.GetIdentity(key); } else { chatter = "Unknown"; } return(msg); }