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


public class Test {
    static void Main() {
        var cts = new CancellationTokenSource();
        var ct = cts.Token;
        var task = Task.Factory.StartNew(() => TaskAction(ct), ct);
        task.ContinueWith(t => Console.WriteLine(t.Status));

        //cts.Cancel();

        Console.ReadKey();
    }

    static void TaskAction(CancellationToken ct) {
        Thread.Sleep(1000);
        throw new OperationCanceledException(ct);
    }
}