XmlDocument Event: node changed, node inserted and node removed : XmlDocument « XML « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. XML
3. XmlDocument

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Xml;

public class MainClass{
    public static void Main() {
    XmlDocument xmlDoc = new XmlDocument();
    xmlDoc.LoadXml("<Record> Some Value </Record>");

    //Create the event handlers.
    xmlDoc.NodeChanged += new XmlNodeChangedEventHandler(MyNodeChangedEvent);
    xmlDoc.NodeInserted +=new XmlNodeChangedEventHandler(MyNodeInsertedEvent);
    xmlDoc.NodeRemoved += new XmlNodeChangedEventHandler(MyNodeRemovedEvent);

  
    XmlElement root = xmlDoc.DocumentElement;
    string str = root.ToString();

    XmlDocumentFragment xmlDocFragment = xmlDoc.CreateDocumentFragment();
    xmlDocFragment.InnerXml="<F><S>Data</S></F>";
    
    XmlElement rootNode = xmlDoc.DocumentElement;   
    rootNode.ReplaceChild(xmlDocFragment, rootNode.LastChild);

    XmlNode node = xmlDoc.LastChild;
    xmlDoc.RemoveChild(node);

  }

  public static void MyNodeChangedEvent(Object src, XmlNodeChangedEventArgs args)
  {
    Console.WriteLine("Node Changed Event Fired for node "+ args.Node.Name);
    if (args.Node.Value != null)
    {
      Console.WriteLine(args.Node.Value);
    }           
  }

  public static void MyNodeInsertedEvent(Object src, XmlNodeChangedEventArgs args)
  {
    Console.WriteLine("Node Inserted Event Fired for node "+ args.Node.Name);
    if (args.Node.Value != null)
    {
      Console.WriteLine(args.Node.Value);
    }       
  }

  public static void MyNodeRemovedEvent(Object src, XmlNodeChangedEventArgs args){
    Console.WriteLine("Node Removed Event Fired for node "+ args.Node.Name);
    if (args.Node.Value != null)
    {
      Console.WriteLine(args.Node.Value);
    }       
  }
}

Node Inserted Event Fired for node S
Node Inserted Event Fired for node #text
Data
Node Inserted Event Fired for node F
Node Removed Event Fired for node #text
 Some Value
Node Removed Event Fired for node F
Node Inserted Event Fired for node F
Node Removed Event Fired for node Record