using System;

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public delegate string Greeter(string name);

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public class Hello {

    event Greeter myGreeter;

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    public Hello() {

        this.myGreeter += new Greeter(this.Get);

    }

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    public string Get(string name) {

        return "Hello " + name;

    }

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    public static void Main(string[] args) {

        Hello hello = new Hello();

        string message = hello.myGreeter("Hosokawa");

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        Console.WriteLine(message);

    }

}

​