Csharp/C Sharp by API/System.Xml.Linq/XComment

new XComment

  
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() {
        XElement xBookParticipant = new XElement("Book"); 
        XComment xComment = new XComment("This person is retired.");
        xBookParticipant.Add(xComment);
        Console.WriteLine(xBookParticipant);
    }
}