Write an XmlWriter with XmlWriterSettings in CSharp

using System;// w w  w  . j  a v  a  2s.  c om
using System.Text;
using System.IO;
using System.Xml;
using System.Xml.Linq;
using System.Collections;
using System.Collections.Generic;

public class MainClass
{
    public static void Main()
    {
        StringBuilder sb = new StringBuilder();
        XmlWriterSettings xws = new XmlWriterSettings();
        xws.OmitXmlDeclaration = true;
        xws.Indent = true;

        using (XmlWriter xw = XmlWriter.Create(sb, xws))
        {
            xw.WriteStartElement("Root");
            XElement child1 = new XElement("A",
                new XElement("GrandChild", "some content")
            );
            child1.WriteTo(xw);
            XElement child2 = new XElement("AnotherChild",
                new XElement("GrandChild", "different content")
            );
            child2.WriteTo(xw);
            xw.WriteEndElement();
        }
        Console.WriteLine(sb.ToString());
    }
}