System.IO.BACnet.BacnetPtpProtocolTransport.SendWithXonXoff C# (CSharp) Méthode

        private void SendWithXonXoff(byte[] buffer, int offset, int length)
        {
            byte[] escape = new byte[1] { 0x10 };
            int max_offset = length + offset;

            //scan
            for (int i = offset; i < max_offset; i++)
            {
                if (buffer[i] == 0x10 || buffer[i] == 0x11 || buffer[i] == 0x13)
                {
                    m_port.Write(buffer, offset, i - offset);
                    m_port.Write(escape, 0, 1);
                    buffer[i] |= 0x80;
                    offset = i;
                }
            }

            //leftover
            m_port.Write(buffer, offset, max_offset - offset);
        }