using System;

using System.Collections;

​

public class Program {

    static int[] array = new int[]{1, 2, 3, 4, 5 }; 

    public static void Main() {

        var o = Teste();

        if (o != null) {

            Console.WriteLine("Continuando...");

            while (o.MoveNext()) {

                Console.WriteLine(o.Current);

            }   

        }

    }

    static IEnumerator Teste() {

        IEnumerator o = array.GetEnumerator();

        while (o.MoveNext()) {

            Console.WriteLine(o.Current);

            if ((int)o.Current > 2) {

                return o;

            }

        }

        return null;

    }

}