Get an enumerator from in entire ArrayList in CSharp

/*  w w  w  . ja  v  a 2 s .c  om*/
using System;
using System.Collections;

class Program
{
    static void Main(string[] args)
    {
        ArrayList colors = new ArrayList();
        colors.Add("A");
        colors.Add("B");
        colors.Add("C");
        colors.Add("D");
        colors.Add("E");
        colors.Add("F");
        colors.Add("G");
        colors.Add("H");
        colors.Add("I");

        IEnumerator e = colors.GetEnumerator();
        while (e.MoveNext())
        {
            Object obj = e.Current;
            Console.WriteLine(obj);
        }


    }
}