Meebey.SmartIrc4net.IrcClient._Event_RPL_WHOREPLY C# (CSharp) Method

        private void _Event_RPL_WHOREPLY(IrcMessageData ircdata)
        {
            string channel  = ircdata.Channel;
            string ident    = ircdata.RawMessageArray[4];
            string host     = ircdata.RawMessageArray[5];
            string server   = ircdata.RawMessageArray[6];
            string nick     = ircdata.RawMessageArray[7];
            string usermode = ircdata.RawMessageArray[8];
            string realname = ircdata.Message.Substring(2);
            int    hopcount = 0;
            string temp     = ircdata.RawMessageArray[9].Substring(1);
            try {
                hopcount = int.Parse(temp);
            } catch (FormatException) {
            #if LOG4NET
                Logger.MessageParser.Warn("couldn't parse (as int): '"+temp+"'");
            #endif
            }

            bool op = false;
            bool voice = false;
            bool ircop = false;
            bool away = false;
            int usermodelength = usermode.Length;
            for (int i = 0; i < usermodelength; i++) {
                switch (usermode[i]) {
                    case 'H':
                        away = false;
                    break;
                    case 'G':
                        away = true;
                    break;
                    case '@':
                        op = true;
                    break;
                    case '+':
                        voice = true;
                    break;
                    case '*':
                        ircop = true;
                    break;
                }
            }

            if (ActiveChannelSyncing &&
                IsJoined(channel)) {
                // checking the irc and channel user I only do for sanity!
                // according to RFC they must be known to us already via RPL_NAMREPLY
                // psyBNC is not very correct with this... maybe other bouncers too
                IrcUser ircuser  = GetIrcUser(nick);
                ChannelUser channeluser = GetChannelUser(channel, nick);
            #if LOG4NET
                if (ircuser == null) {
                    Logger.ChannelSyncing.Error("GetIrcUser("+nick+") returned null in _Event_WHOREPLY! Ignoring...");
                }
            #endif

            #if LOG4NET
                if (channeluser == null) {
                    Logger.ChannelSyncing.Error("GetChannelUser("+nick+") returned null in _Event_WHOREPLY! Ignoring...");
                }
            #endif

                if (ircuser != null) {
            #if LOG4NET
                    Logger.ChannelSyncing.Debug("updating userinfo (from whoreply) for user: "+nick+" channel: "+channel);
            #endif

                    ircuser.Ident    = ident;
                    ircuser.Host     = host;
                    ircuser.Server   = server;
                    ircuser.Nick     = nick;
                    ircuser.HopCount = hopcount;
                    ircuser.Realname = realname;
                    ircuser.IsAway   = away;
                    ircuser.IsIrcOp  = ircop;

                    switch (channel[0]) {
                        case '#':
                        case '!':
                        case '&':
                        case '+':
                            // this channel may not be where we are joined!
                            // see RFC 1459 and RFC 2812, it must return a channelname
                            // we use this channel info when possible...
                            if (channeluser != null) {
                                channeluser.IsOp    = op;
                                channeluser.IsVoice = voice;
                            }
                        break;
                    }
                }
            }

            if (OnWho != null) {
                OnWho(this, new WhoEventArgs(ircdata, channel, nick, ident, host, realname, away, op, voice, ircop, server, hopcount));
            }
        }