using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

using System.Xml;

using System.IO;

using System.Xml.Linq;

using System.Xml.Schema;

public class Program

{

    public class Root

    {

        public string title;

        [XmlArray("lista")]

        [XmlArrayItem("Parameter")]

        public List<Parameter> lista;

    }

    public class Parameter : IXmlSerializable

    {

        public string name;

        public int val;

        public void WriteXml(XmlWriter writer)

        {

            writer.WriteElementString("name",name);

            writer.WriteElementString("val",val.ToString());

        }

​

        public void ReadXml(XmlReader reader)

        {

            reader.ReadToDescendant("name");

            name = reader.ReadElementContentAsString();

            val = reader.ReadElementContentAsInt();

        }

​

        public XmlSchema GetSchema()

        {

            return (null);

        }

    }

    public static void Main()

    {       

        Root root=new Root();

        root.title="title";

        root.lista = new List<Parameter>();

        Parameter pa=new Parameter();

        pa.name="pa";

        pa.val=1;

        Parameter pb=new Parameter();

        pb.name="pb";

        pb.val=2;

        root.lista.Add(pa);

        root.lista.Add(pb);

        var lNamespaces = new XmlSerializerNamespaces();

        lNamespaces.Add("", "");

        var lSerialiser = new XmlSerializer(root.GetType());

        string xml = GetXml(root, lSerialiser, lNamespaces);

        Console.WriteLine("Serialized XML: ");

        Console.WriteLine(xml);

        Console.WriteLine("-----------------------------------");

        var root2 = (Root)lSerialiser.Deserialize(new StringReader(xml));

        Console.WriteLine(root2.lista.Count);

        string xml2 = GetXml(root2, lSerialiser, lNamespaces);

        Console.WriteLine("Deserialized and re-serialized XML: ");

        Console.WriteLine(xml2);

    }

    private static string GetXml<T>(T lPersonList, XmlSerializer lSerialiser, XmlSerializerNamespaces lNamespaces)

    {

        var sb = new StringBuilder();

        using (var writer = new StringWriter(sb))

            lSerialiser.Serialize(writer, lPersonList, lNamespaces);

        return sb.ToString();

    }

}