XPathNavigator.NavigatorComparer Gets an IEqualityComparer used for equality comparison of XPathNavigator objects.
using System;
using System.Linq;
using System.Xml;
using System.Xml.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml.XPath;
public class MainClass{
public static void Main(){
XPathDocument document = new XPathDocument("books.xml");
XPathNavigator navigator = document.CreateNavigator();
Hashtable table = new Hashtable(XPathNavigator.NavigatorComparer);
// Add nodes to the Hashtable.
foreach (XPathNavigator navigator2 in navigator.Select("//book"))
{
object value = navigator2.Evaluate("string(./title)");
table.Add(navigator2.Clone(), value);
Console.WriteLine("Added book with title {0}", value);
}
Console.WriteLine(table.Count);
Console.WriteLine("Does the Hashtable have the book \"XML\"?");
Console.WriteLine(table.Contains(navigator.SelectSingleNode("//book[title='XML']")));
}
}