System.Configuration.ConfigXmlDocument.CreateElement C# (CSharp) Метод

        public override XmlElement CreateElement( string prefix, string localName, string namespaceUri) {
            return new ConfigXmlElement( _filename, LineNumber, prefix, localName, namespaceUri, this );
        }
        public override XmlText CreateTextNode(String text) {

    public void Save()
    {
        string errorMessage = null;

        if (!HROne.CommonLib.FileIOProcess.IsFolderAllowWritePermission(AppDomain.CurrentDomain.BaseDirectory, out errorMessage))
        {
            throw new Exception(errorMessage);
        }
        string filename = getFilename();


        System.Configuration.ConfigXmlDocument config = new System.Configuration.ConfigXmlDocument();
        XmlElement   settings = config.CreateElement("Settings");
        XmlAttribute version  = config.CreateAttribute("Version");

        version.Value = "2.0";
        settings.Attributes.Append(version);
        config.AppendChild(settings);
        //SetDatabaseConfigList(settings);

        settings.AppendChild(config.CreateElement("HROneConfigFullPath"));
        settings["HROneConfigFullPath"].InnerText = HROneConfigFullPath;


        config.Save(filename);
    }