ShootManiaXMLRPC.XmlRpc.GbxCall.GbxCall C# (CSharp) Method

        public GbxCall(int in_handle, byte[] in_data)
        {
            this.m_type = MessageTypes.None;
            this.m_handle = in_handle;
            this.m_xml = Encoding.UTF8.GetString(in_data);
            this.m_error_code = 0;
            this.m_error_string = "";

            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(this.m_xml);
            XmlElement methodParams = null;

            // message is of type request ...
            if (xmlDoc["methodCall"] != null)
            {
                // check message type ...
                if (in_handle > 0)
                    this.m_type = MessageTypes.Callback;
                else
                    this.m_type = MessageTypes.Request;

                // try to get the method name ...
                if (xmlDoc["methodCall"]["methodName"] != null)
                {
                    this.m_method_name = xmlDoc["methodCall"]["methodName"].InnerText;
                }
                else
                    this.m_error = true;

                // try to get the mehtod's parameters ...
                if (xmlDoc["methodCall"]["params"] != null)
                {
                    this.m_error = false;
                    methodParams = xmlDoc["methodCall"]["params"];
                }
                else
                    this.m_error = true;
            }
            else if (xmlDoc["methodResponse"] != null) // message is of type response ...
            {
                // check message type ...
                this.m_type = MessageTypes.Response;

                if (xmlDoc["methodResponse"]["fault"] != null)
                {
                    Hashtable err_struct = (Hashtable)ParseXml(xmlDoc["methodResponse"]["fault"]);
                    this.m_error_code = (int)err_struct["faultCode"];
                    this.m_error_string = (string)err_struct["faultString"];
                    this.m_error = true;
                }
                else if (xmlDoc["methodResponse"]["params"] != null)
                {
                    this.m_error = false;
                    methodParams = xmlDoc["methodResponse"]["params"];
                }
                else
                {
                    this.m_error = true;
                }
            }
            else
            {
                this.m_error = true;
            }

            // parse each parameter of the message, if there are any ...
            if (methodParams != null)
            {
                foreach (XmlElement param in methodParams)
                {
                    this.m_params.Add(ParseXml(param));
                }
            }
        }