Extension method to transform XmlDocument to XDocument

XmlDocumentToXDocument.cs

/// <summary>
        /// Converts XmlDocument to XDocument.
        /// Original source: <see cref="http://stackoverflow.com/questions/1508572/converting-xdocument-to-xmldocument-and-vice-versa"/>
        /// </summary>
        /// <param name="xmlDocument">XmlDocument instance to be converted.</param>
        /// <returns></returns>
        public static XDocument XmlToXDocument(this XmlDocument xmlDocument)
        {
            using (XmlNodeReader nodeReader = new XmlNodeReader(xmlDocument))
            {
                nodeReader.MoveToContent();
                return XDocument.Load(nodeReader);
            }
        }