2 using System.Collections;
3 using System.Threading;
7 static ManualResetEvent dispose = new ManualResetEvent (false);
9 static IEnumerable GetIt2 ()
11 yield return Delay ();
22 public static int Main ()
24 var e = GetIt2 ().GetEnumerator ();
25 ThreadPool.QueueUserWorkItem (l => {
27 ((IDisposable) e).Dispose ();
36 Console.WriteLine (e.Current);
37 if ((int) e.Current != 1)