74 lines
1.0 KiB
C#
74 lines
1.0 KiB
C#
namespace Test1
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{
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public delegate int TestDelegate1 ();
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public interface TestItem
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{
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event TestDelegate1 OnUpdate;
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}
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public class TestItem1 : TestItem
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{
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private TestDelegate1 delegates1;
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public TestItem1()
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{
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}
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public int Test()
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{
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return delegates1 ();
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}
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public virtual event TestDelegate1 OnUpdate
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{
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add
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{
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System.Console.WriteLine("OnUpdate add 1");
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delegates1 += value;
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}
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remove
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{
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System.Console.WriteLine("OnUpdate remove 2");
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delegates1 -= value;
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}
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}
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}
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public class TestItem2 : TestItem1
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{
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public TestItem2()
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{
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}
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public override event TestDelegate1 OnUpdate
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{
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add
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{
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System.Console.WriteLine("OnUpdate add 2");
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base.OnUpdate += value;
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}
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remove
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{
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System.Console.WriteLine("OnUpdate remove 2");
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base.OnUpdate -= value;
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}
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}
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}
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class CC
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{
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public static int Main()
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{
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TestItem1 ti = new TestItem2();
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ti.OnUpdate += delegate() { return 5; };
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if (ti.Test() != 5)
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return 1;
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return 0;
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}
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}
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}
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