SequenceArray

using System;
using System.Collections.Generic;
using System.Collections.Specialized;

public class SequenceArray : System.Collections.ArrayList
    {
        int _index = 0;
        public int index
        {
            get
            {
                int _r = _index % Count;
                _index++;
                return _r;
            }
            set
            {
                _index = value;
            }
        }
        public object GetS()
        {
            return this[index];
        }
        public void Add(string value1, string value2)
        {
            NameValueCollection nv = new NameValueCollection();
            nv.Add(value1, value2);
            Add(nv);
        }
       
    }