委托可以这样声明吗？

Question

private delegate void delegateEvent(object[] dlstr);  
委托可以带 数组类型的参数吗？

Answer 1

多播委托
-------------------
using System;class MulticastTester
{
    delegate void Greeting();
    
    public static void SayThankYou()
    {
        Console.WriteLine("Thank you!");
    }    public static void SayGoodMorning()
    {
        Console.WriteLine("Good morning!");
    }    public static void SayGoodnight()
    {
        Console.WriteLine("Goodnight");
    }
    
    public static void Main()
    {
        Greeting myGreeting = new Greeting(SayThankYou);
        Console.WriteLine("My single greeting:");
        myGreeting();
        
        Greeting yourGreeting = new Greeting(SayGoodMorning);        
        Console.WriteLine("\nYour single greeting:");
        yourGreeting();
        
        Greeting ourGreeting = myGreeting + yourGreeting;
        Console.WriteLine("\nOur multicast greeting:");
        ourGreeting();        ourGreeting += new Greeting(SayGoodnight);
        Console.WriteLine("\nMulticast greeting which includes Goodnight:");
        ourGreeting();
        
        ourGreeting = ourGreeting - yourGreeting;
        Console.WriteLine("\nMulticast greeting without your greeting:");
        ourGreeting();
        
        ourGreeting -= myGreeting;
        Console.WriteLine("\nSingle greeting without your greeting and my greeting:");
        ourGreeting();
    }
}