67 lines
1.3 KiB
C#
67 lines
1.3 KiB
C#
using System;
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interface A
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{
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event EventHandler Member;
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}
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interface B : A
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{
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new event EventHandler Member;
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}
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interface BA : B, A { }
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public class C : BA
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{
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public EventHandler _AMember;
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public EventHandler _Member;
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event EventHandler A.Member
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{
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add { _AMember += value; Console.WriteLine ("Setting A Event"); }
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remove { _AMember -= value; }
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}
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public event EventHandler Member
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{
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add { _Member += value; Console.WriteLine ("Setting Direct Event"); }
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remove { _Member -= value; }
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}
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}
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public class Test
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{
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public static int Main ()
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{
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return new Test ().TestMe ();
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}
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public int TestMe ()
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{
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C c = new C ();
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Console.WriteLine ("Trying to set EventHandler Directly - should set DirectEvent ");
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c.Member += new EventHandler (f);
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if (c._Member == null)
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return 0;
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c._Member = null;
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Console.WriteLine ("Trying to set EventHandler through A interface - Should set A Event");
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((A) c).Member += new EventHandler (f);
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if (c._AMember == null)
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return 1;
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c._AMember = null;
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Console.WriteLine ("Trying to set EventHandler through BA interface - Should set Direct Event");
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((BA) c).Member += new EventHandler (f);
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if (c._Member == null)
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return 2;
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Console.WriteLine ("ok");
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return 0;
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}
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void f (object sender, EventArgs e) { }
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}
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