public IEnumerable <XNode> DescendantNodes()
{
foreach (XNode n in Nodes())
{
yield return(n);
XContainer c = n as XContainer;
if (c != null)
{
foreach (XNode d in c.DescendantNodes())
{
yield return(d);
}
}
}
}
private static IEnumerable<XElement> Descendants(XContainer doc, string nodeName)
{
return doc.DescendantNodes().OfType<XElement>().Where(n => n.Name == nodeName);
}