static void Main(string[] args)
{
Delegate_demo d = new Delegate_demo();
addDelegate ad = new addDelegate(d.AddNums);
sayHelloDelegate sd = new sayHelloDelegate(SayHello);
ad(14, 15);
string s1 = sd("ank");
Console.WriteLine(s1);
ad.Invoke(2, 3);
s1 = sd.Invoke("dsdf");
d.AddNums(100, 50);
Console.WriteLine(s1);
Console.WriteLine(SayHello("Ankur"));
Console.ReadLine();
}
public static void function()
{
//写法1
sayHelloDelegate s1 = new sayHelloDelegate(SayInChinese);
sayHelloDelegate s2 = new sayHelloDelegate(SayInEnglish);
ManyGuysTalking("我系T哥", s1);
ManyGuysTalking("i m Tgor", s2);
//写法2
ManyGuysTalking("我系T哥", SayInChinese);
ManyGuysTalking("i m Tgor", SayInEnglish);
//写法3——一个委托可以放多个事件，并且可以同时执行
//此处输出：中文:我系T哥 英文:我系T哥
sayHelloDelegate s3 = new sayHelloDelegate(SayInChinese);
s3 += SayInEnglish;
ManyGuysTalking("我系T哥", s3);
}
public static void ManyGuysTalking(string str, sayHelloDelegate pSayHelloDelegate)
{
pSayHelloDelegate(str);
}
