// 서로 통신합니다.
    public bool IsCommunicating()
    {
        bool isTcpConnected = false;
        bool isUdpConnected = false;

        if (m_tcp != null && m_tcp.IsConnected())
        {
            isTcpConnected = true;
        }

        if (m_udp != null && m_udp.IsCommunicating())
        {
            isUdpConnected = true;
        }

        if (m_tcp != null && m_udp == null)
        {
            return(isTcpConnected);
        }

        if (m_tcp == null && m_udp != null)
        {
            return(isUdpConnected);
        }

        return(isTcpConnected && isUdpConnected);
    }