using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace 多播委托
{
//public delegate void MyDel();
public delegate int MyDel();
class Program
{
static void Main(string[] args)
{
#region 无参数委托
//MyDel mdl = M1;
//mdl += M2;
//mdl += M3;
//mdl += M4;
//mdl -= M2;
//mdl();
#endregion
MyDel mdl = T1;
mdl();
int sum = mdl.Invoke();
Console.WriteLine(sum);
mdl += T2;
mdl += T3;
int result = mdl();
Console.WriteLine(result);
Console.ReadKey();
}
public static int T1()
{
return 1;
}
public static int T2()
{
return 2;
}
public static int T3()
{
return 3;
}
public static void M1()
{
Console.WriteLine("1");
}
public static void M2()
{
Console.WriteLine("2");
}
public static void M3()
{
Console.WriteLine("3");
}
public static void M4()
{
Console.WriteLine("4");
}
}
}
