Something

public bool ConnectToBattleNet(BotConfig botConfig)
        {
            this.FatalDebugError = false;
            this.LoginDone = false;
            this.myBotConfig = botConfig;
            this.myBnetServerClient = new TcpClient(this.GetServerString(this.myBotConfig._Server), 6112);
            this.myPacketSniffer = new PacketSniffer();
            this.myPacketSniffer.AddListener(D2Packets.PacketOrigin.BattleNetServer, new PacketEventHandler(this.onBnetPacketReceived));
            this.myPacketSniffer.AddListener(D2Packets.PacketOrigin.RealmServer, new PacketEventHandler(this.onRealmPacketReceived));
            this.myPacketSniffer.StartSniffing(Process.GetCurrentProcess().Id, myBotConfig._PcapName);
            this.myBnetServerClient.GetStream().WriteByte(0x01);  
            this.myBnetServerClient.GetStream().Write(new BC.ConnectionRequest().Build(), 0, new BC.ConnectionRequest().Build().Length);

            int Timeout = 0;
            while (!this.FatalDebugError && !this.LoginDone)
            {
                System.Threading.Thread.Sleep(1);
                if (Timeout > 5000)
                    return false;
                Timeout++;
            }
            return true;
        }