using System;

using System.Collections;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var enumerator = Program.Test( "YO" );

        Console.WriteLine("starting..");

        Console.WriteLine("Before MoveNext");

        var more = enumerator.MoveNext();

        Console.WriteLine("After MoveNext\n");

        while (more)

        {

            Console.WriteLine("Before Current");

            var iter = enumerator.Current;

            Console.WriteLine("After Current");

            Console.WriteLine("Got... " + iter);

            Console.WriteLine("Before Current2");

            var iter2 = enumerator.Current;

            Console.WriteLine("After Current2");

            Console.WriteLine("Got2... " + iter2);

            Console.WriteLine("Before MoveNext");

            more = enumerator.MoveNext();

            Console.WriteLine("After MoveNext\n");

​

        }

        Console.WriteLine("done..");

    }

    private static IEnumerator Test(string text)

    {

        int i = 0;

        Console.WriteLine("Here - " + text + " - " + ++i);

        yield return i;

        Console.WriteLine("Here - " + text + " - " + ++i);

        yield return i;

        Console.WriteLine("Here - " + text + " - " + ++i);

        yield return i;

        Console.WriteLine("Here - " + text + " - " + ++i);

        yield return i;

    }

}