mcs/tests/test-iter-11.cs

   1 using System;
   2 using System.Collections;
   3
   4 class X {
   5         public event EventHandler Hook;
   6
   7         public IEnumerator Pipeline ()
   8         {
   9                 if (Hook == null)
  10                         throw new Exception ("error");
  11
  12                 Hook (this, EventArgs.Empty);
  13
  14                 yield return 0;
  15         }
  16
  17         static void M (object sender, EventArgs args)
  18         {
  19                 Console.WriteLine ("Hook invoked");
  20         }
  21
  22         public static void Main ()
  23         {
  24                 X x = new X ();
  25                 x.Hook += M;
  26                 IEnumerator y = x.Pipeline ();
  27                 y.MoveNext ();
  28         }
  29 }
  30