using System;

using System.Threading;

using System.Threading.Tasks;

public class Program

{

    public static async Task Main()

    {

        var ct = new CancellationTokenSource(millisecondsDelay: 1000);

​

        var task1 = Task.Run(() =>

        {

            while (true) 

            {

                Thread.Sleep(100); // do some work

                ct.Token.ThrowIfCancellationRequested();

            }

        });

​

        var task2 = Task.Run(() =>

        {

            var i = 0; 

            while (i < 5) 

            {

                Thread.Sleep(100); // do some work

                ct.Token.ThrowIfCancellationRequested();

                i++;

            }

        });

        try 

        {

            await task1;

        }

        catch (Exception ex)

        {

            Console.WriteLine(new { task = "task1", ex.Message, task1.Status });

        }       

        try 

        {

            await task2;

        }

        catch (Exception ex)

        {

            Console.WriteLine(new { task = "task2", ex.Message, task1.Status });

        }       

    }

}