UnityEngine.Networking.NetworkWriter.StartMessage C# (CSharp) Method

        public void StartMessage(short msgType)
        {
            this.SeekZero();
            this.m_Buffer.WriteByte2(0, 0);
            this.Write(msgType);
        }

        internal bool SendFragmentBytes(byte[] bytes, int bytesToSend)
        {
            const int fragmentHeaderSize = 32;
            int       pos = 0;

            while (bytesToSend > 0)
            {
                int    diff   = Math.Min(bytesToSend, m_MaxPacketSize - fragmentHeaderSize);
                byte[] buffer = new byte[diff];
                Array.Copy(bytes, pos, buffer, 0, diff);

                s_FragmentWriter.StartMessage(MsgType.Fragment);
                s_FragmentWriter.Write((byte)0);
                s_FragmentWriter.WriteBytesFull(buffer);
                s_FragmentWriter.FinishMessage();
                SendWriter(s_FragmentWriter);

                pos         += diff;
                bytesToSend -= diff;
            }

            // send finish
            s_FragmentWriter.StartMessage(MsgType.Fragment);
            s_FragmentWriter.Write((byte)1);
            s_FragmentWriter.FinishMessage();
            SendWriter(s_FragmentWriter);

            return(true);
        }