[TPL] Task cancellation

TaskCancellation.cs

using System;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApplication2
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var cts = new CancellationTokenSource();
            var token = cts.Token;
            var t = Task.Factory.StartNew(() =>
            {
                while (true)
                {
                    Thread.Sleep(500);
                    if (token.IsCancellationRequested)
                    {
                        //cleanup
                        Console.WriteLine("Canceled");
                        token.ThrowIfCancellationRequested();
                    }
                    Console.WriteLine("500 milliseconds passed");
                }
            }, token);


            cts.CancelAfter(TimeSpan.FromSeconds(10));

            Console.ReadLine();
        }
    }
}