using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace MyMulticastDelegate{
public delegate void MulticastDelegate(int x, int y);
public class Vidu2{
public static void Cong(int x, int y) {
Console.WriteLine("Ban dang goi phuong thuc Cong()");
Console.WriteLine("{0} + {1} = {2}", x,y,x+y);
}
public static void Nhan(int x, int y) {
Console.WriteLine("Ban dang goi phuong thuc Nhan()");
Console.WriteLine("{0} x {1} = {2}", x, y, x * y);
}
}
class Program{
static void Main(string[] args){
MulticastDelegate del = new MulticastDelegate(Vidu2.Cong);
del += new MulticastDelegate(Vidu2.Nhan);
Console.WriteLine("Goi dong thoi 2 phuong thuc Cong va Nhan\n\n");
del(7, 6);
del -= new MulticastDelegate(Vidu2.Cong);
Console.WriteLine("\n\n****Da xoa phuong thuc Cong, chi goi phuong thuc Nhan****\n\n");
del(4, 5);
Console.ReadLine();
}
}
}
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