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

        private void _Event_JOIN(IrcMessageData ircdata)
        {
            string who = ircdata.Nick;
            string channelname = ircdata.Channel;

            if (IsMe(who)) {
                _JoinedChannels.Add(channelname);
            }

            if (ActiveChannelSyncing) {
                Channel channel;
                if (IsMe(who)) {
                    // we joined the channel
            #if LOG4NET
                    Logger.ChannelSyncing.Debug("joining channel: "+channelname);
            #endif
                    if (SupportNonRfc) {
                        channel = new NonRfcChannel(channelname);
                    } else {
                        channel = new Channel(channelname);
                    }
                    _Channels.Add(channelname, channel);
                    // request channel mode
                    RfcMode(channelname);
                    // request wholist
                    RfcWho(channelname);
                    // request banlist
                    Ban(channelname);
                } else {
                    // someone else joined the channel
                    // request the who data
                    RfcWho(who);
                }

            #if LOG4NET
                Logger.ChannelSyncing.Debug(who+" joins channel: "+channelname);
            #endif
                channel = GetChannel(channelname);
                IrcUser ircuser = GetIrcUser(who);

                if (ircuser == null) {
                    ircuser = new IrcUser(who, this);
                    ircuser.Ident = ircdata.Ident;
                    ircuser.Host  = ircdata.Host;
                    _IrcUsers.Add(who, ircuser);
                }

                ChannelUser channeluser;
                if (SupportNonRfc) {
                    channeluser = new NonRfcChannelUser(channelname, ircuser);
                } else {
                    channeluser = new ChannelUser(channelname, ircuser);
                }
                channel.UnsafeUsers.Add(who, channeluser);
            }

            if (OnJoin != null) {
                OnJoin(this, new JoinEventArgs(ircdata, channelname, who));
            }
        }