Products

Data Converter Cleaner TUC - Unit Converter Import Export Survey Manager Tweet Controller

Developer

Article Blog Forum Interview Beginner News Startup Quiz

Users

Career

Apply Job Internship

Pricing

Login Sign Up Get a Quote

How to Callback Operation Using Delegate in c#.

Anonymous User 1773 24 Jan 2016

I want to use Callback Operation Using Delegate in c#. How to do this please help me.

Anonymous User

Other

I am a content writter !

1 Answers

Anonymous User 24 Jan 2016

call back design pattern executable code is passed as an argument to other code and it is expected to call back at some time.

using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
namespace program
{
    class Example
    {
        static void Main(string[] args)
        {
            CallBackdemo callBackdemo = new CallBackdemo();
            callBackdemo.Test();
            Console.ReadLine();
        }
    }
    public class CallBackdemo
    {
        public void Test()
        {
            TaskCompletedCallBack callback = TestCallBack;
            CallBack testCallBack = new CallBack();
            testCallBack.NewTask(callback);
        }
        public void TestCallBack(string result)
        {
            Console.WriteLine(result);
        }
    }
    public delegate void TaskCompletedCallBack(string Result);
    public class CallBack
    {
        public void NewTask(TaskCompletedCallBack taskCompletedCallBack)
        {
            Console.WriteLine("I have started new execution Task.");
            if (taskCompletedCallBack != null)
                taskCompletedCallBack("I have completed execution Task.");
        }
    }
}

advertising