public class Persons
    {
        [XmlArrayItem(Type = typeof(Person))]
        public ArrayList PersonsList;
        public void SetPersons( Person person1, Person person2, Person person3 )
        {
            PersonsList = new ArrayList();
            PersonsList.Add( person1 );
            PersonsList.Add( person2 );
            PersonsList.Add( person3 );
        }
        public void Dump()
        {
            foreach( Person person in PersonsList )
            {
                System.Diagnostics.Trace.WriteLine(person.Name);
                System.Diagnostics.Trace.WriteLine(person.Age);
            }
        }
    }