static void CreateSectionUsingRawXml(XDocument document, string sectionName)
{
var configElement = document.AquireElement("configuration", addFirst: true);
var configSections = configElement.AquireElement("configSections", addFirst: true);
// Create the section element
var newSection = new XElement("section",
new XAttribute("name", sectionName),
new XAttribute("type", "System.Configuration.DictionarySectionHandler, System, " +
"Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"));
configSections.Add(newSection);
configElement.AquireElement(sectionName);
}
