using System;

using System.Threading.Tasks;

using System.Threading;

​

public class Program

{

    public static void Main()

    {

        WhereAmI("main");

        Task[] tasks = new Task[10];

        for (int i = 0; i < tasks.Length; i++)

        {

            int savedI = i;

            tasks[i] = Task.Run(() =>

            {

                WhereAmI(savedI.ToString());

                throw new Exception("argh!");

                WhereAmI(savedI.ToString() + " will never get here");

            });

        }

        Task.WaitAll(tasks);

        Console.WriteLine($"all complete, not necessarily ok!");

    }

​

    public static void WhereAmI(string nameOfTask)

    {

        Console.WriteLine($"task: {nameOfTask}. managed thread id {Thread.CurrentThread.ManagedThreadId}");

    }

}