using System;

using System.Xml.Serialization;

using System.IO;

public class Program

{

    public static void Main()

    {

        B[] myArray=new B[]{new B("Hello"),new B("World")};

        XmlRootAttribute  root = new XmlRootAttribute ();

        root.ElementName="A";

        XmlSerializer ser = new XmlSerializer(typeof(B[]),root);

        var outStream = new StringWriter();

        ser.Serialize(outStream,myArray);

        var xmlText = outStream.ToString();

        Console.Write(xmlText);

        Console.WriteLine();

        TextReader sr = new StringReader(xmlText);

        B[] result = (B[])ser.Deserialize(sr);

    }

}

​

public class B

{

    public B()

    {

        content=String.Empty;

    }

    public B(string c)

    {

        content=c;

    }

    public string content{get;set;}

}