31 lines
445 B
C#
31 lines
445 B
C#
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using System;
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using System.Collections;
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class X {
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public event EventHandler Hook;
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public IEnumerator Pipeline ()
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{
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if (Hook == null)
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throw new Exception ("error");
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Hook (this, EventArgs.Empty);
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yield return 0;
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}
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static void M (object sender, EventArgs args)
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{
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Console.WriteLine ("Hook invoked");
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}
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public static void Main ()
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{
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X x = new X ();
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x.Hook += M;
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IEnumerator y = x.Pipeline ();
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y.MoveNext ();
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}
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}
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