Check the specific events : XObject « XML LINQ « C# / C Sharp

1. C# / C Sharp
2. XML LINQ
3. XObject

Check the specific events

 

using System;
using System.Xml.Linq;

class Program
{
    static void Main(string[] args)
    {
        XElement root = new XElement("Root",
            new XElement("Total", 0),
            new XElement("Items")
        );
        XElement total = root.Element("Total");
        XElement items = root.Element("Items");
        items.Changed += (object sender, XObjectChangeEventArgs cea) =>
        {
            switch (cea.ObjectChange)
            {
                case XObjectChange.Add:
                    if (sender is XElement)
                        total.Value = ((int)total + (int)(XElement)sender).ToString();
                    if (sender is XText)
                        total.Value = ((int)total + (int)((XText)sender).Parent).ToString();
                    break;
                case XObjectChange.Remove:
                    if (sender is XElement)
                        total.Value = ((int)total - (int)(XElement)sender).ToString();
                    if (sender is XText)
                        total.Value = ((int)total - Int32.Parse(((XText)sender).Value)).ToString();
                    break;
            }
            Console.WriteLine("Changed {0} {1}", sender.GetType().ToString(), cea.ObjectChange.ToString());
        };
    }
}

   
  

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