System.Xml.XmlReader.ReadElementString C# (CSharp) Method

        public virtual string ReadElementString()
        {
            string result = string.Empty;

            if (MoveToContent() != XmlNodeType.Element)
            {
                throw new XmlException(SR.Xml_InvalidNodeType, this.NodeType.ToString(), this as IXmlLineInfo);
            }
            if (!this.IsEmptyElement)
            {
                Read();
                result = ReadString();
                if (this.NodeType != XmlNodeType.EndElement)
                {
                    throw new XmlException(SR.Xml_UnexpectedNodeInSimpleContent, new string[] { this.NodeType.ToString(), "ReadElementString" }, this as IXmlLineInfo);
                }
                Read();
            }
            else
            {
                Read();
            }
            return result;
        }

        public override void ReadXml(System.Xml.XmlReader reader)
        {
            if (reader.Name.Equals("Type"))
            {
                BusType = (EosBusType)Enum.Parse(typeof(EosBusType), reader.ReadElementString("Type"));
            }
            string port = reader.ReadElementString("Port");

            if (!reader.IsEmptyElement)
            {
                reader.ReadStartElement("Boards");
                while (reader.NodeType != XmlNodeType.EndElement)
                {
                    reader.ReadStartElement("Board");
                    string   name    = reader.ReadElementString("Name");
                    byte     address = byte.Parse(reader.ReadElementString("Address"), System.Globalization.CultureInfo.InvariantCulture);
                    EosBoard board   = new EosBoard(this, address, name);
                    board.ReadXml(reader);
                    reader.ReadEndElement();
                    _boards.Add(board);
                }
                reader.ReadEndElement();
            }
            else
            {
                reader.Read();
            }

            Port = port;
        }