Closure Test

gistfile1.cs

using System;
using System.Threading;

namespace DelegateTest
{
    class Algorithm
    {
        public int Key { get; set; }
    }

    class Program
    {
        private delegate void Crypt(int i, Algorithm algoritm);

        static void Main(string[] args)
        {
            Crypt[] funcs = new Crypt[10];

            for (int i = 0; i < funcs.Length; i++)
            {
                funcs[i] = Encrypt;
            }

            Algorithm alg = new Algorithm();
            alg.Key = 15;

            IAsyncResult[] asr = new IAsyncResult[10];
            for (int j = 0; j < 10; j++)
            {
                 asr[j] = funcs[j].BeginInvoke(j, alg, null, null);
            }

            while (!asr[0].IsCompleted)
            {
                
            }

        }

        private static void Encrypt(int i, Algorithm algorithm)
        {
            Thread.Sleep((10 - i) * 1000);

            Console.WriteLine("{0} {1}", i, algorithm.Key);
            algorithm.Key = i;

            Console.WriteLine("{0} {1}", i, algorithm.Key);
        }
    }
}