C#異步回調函數

C#異步回調函數

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ComprehensiveTest.com
{
    public class AsyCallEx112
    {
        // 定義一個執行加法的委托
        public delegate int sum(int a, int b);
        public class number
        {
            public int m = 4;
            public int numberAdd(int a, int b)
            {
                int c = a + b;
                return c;
            }
            //定義一個與。net framework 定義的asyncCallback委托相對應的回調函數
            public void CallbackMothed2(IAsyncResult ar2)
            {
                sum s = (sum)ar2.AsyncState;
                int number = s.EndInvoke(ar2);
                m = number;
                Console.WriteLine("得到的M值：{0}", m); 
            }
        }
    }
}

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ComprehensiveTest.com
{
    public class AsyCallEx113
    {
        //定義一個委托
        public delegate void AsyncEventHanlder();
        public class Class1
        {
            public void Event1()
            {
                Console.WriteLine("Event1 start");
                System.Threading.Thread.Sleep(2000);
                Console.WriteLine("Event1 end");
            }
            public void Event2()
            {
                Console.WriteLine("Event2 start");
                int i = 1;
                while (i < 100)
                {
                    i = i + 1;
                    Console.WriteLine("Event2 " + i.ToString());
                }
                Console.WriteLine("Event2 end");
            }
            public void CallbackMethod( IAsyncResult ar )
            {
                ((AsyncEventHanlder)ar.AsyncState).EndInvoke(ar);
            }
        }
    }
}

  using System; using System.Collections.Generic; using System.Linq; using System.Text; using ComprehensiveTest.com; namespace ComprehensiveTest { class Program { static void Main(string[] args) { // 112 //AsyCallEx112.number num = new AsyCallEx112.number(); //AsyCallEx112.sum numberadd= new AsyCallEx112.sum(num.numberAdd); //AsyncCallback numberBack = new AsyncCallback(num.CallbackMothed2); //numberadd.BeginInvoke(21, 12, numberBack, numberadd); //Console.WriteLine("得到的結果："); //Console.WriteLine(num.m); // 113 long start = 0; long end = 0; AsyCallEx113.Class1 c = new AsyCallEx113.Class1(); Console.WriteLine("ready"); start = DateTime.Now.Ticks; AsyCallEx113.AsyncEventHanlder asy = new AsyCallEx113.AsyncEventHanlder(c.Event1); //IAsyncResult ia = asy.BeginInvoke(null, null); IAsyncResult ia = asy.BeginInvoke(new AsyncCallback(c.CallbackMethod), asy); ia.AsyncWaitHandle.WaitOne(); c.Event2(); end = DateTime.Now.Ticks; Console.WriteLine("時間刻度差= " + Convert.ToString(end - start)); Console.ReadLine(); } } }