Csharp/C Sharp/XML LINQ/InDocumentOrder

Calling the Only InDocumentOrder Prototype

 
using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
    public static void Main() {
        XDocument xDocument = new XDocument(
         new XElement("Books",
           new XElement("Book",
            new XAttribute("type", "Author"),
           new XComment("This is a new author."),
            new XElement("FirstName", "A"),
           new XElement("LastName", "B")),
           new XElement("Book",
            new XAttribute("type", "Author"),
           new XElement("FirstName", "C"),
           new XElement("LastName", "D"))));
        IEnumerable<XNode> nodes = xDocument.Element("Books").Elements("Book").Nodes().Reverse();
        foreach (XNode node in nodes) {
            Console.WriteLine("Source node: {0}", node);
        }
        foreach (XNode node in nodes.InDocumentOrder()) {
            Console.WriteLine("Ordered node: {0}", node);
        }
    }
}