using System;

using System.Linq;

using System.Threading;

using System.Threading.Tasks;

​

namespace LISTING_1_2_ParallelForEach_in_use

{

    public class Program

    {

        static void WorkOnItem(object item)

        {

            Console.WriteLine("Started working on: " + item);

            Thread.Sleep(100);

            Console.WriteLine("Finished working on: " + item);

        }

​

        public static void Main(string[] args)

        {

            var items = Enumerable.Range(0, 500);

            Parallel.ForEach(items, item =>

            {

                WorkOnItem(item);

            });

​

            Console.WriteLine("Finished processing. Press a key to end.");

        }

​

    }

}