using System;

using System.Threading;

using System.Threading.Tasks;

​

​

public class Program

{

    static object taskMethodLock = new object();    

    public static void Main()

    {

        var t1 = new Task(TaskMethod, "Run Task");

        t1.Start();

        Task t = Task.Factory.StartNew(() =>

                                       {

                                           TaskMethod("Run Factory");

                                       });

        Console.ReadLine();

    }

    static void TaskMethod(object title)

    {

        lock (taskMethodLock)

        {

            Console.WriteLine(title);

            Console.WriteLine("Task id: {0}, thread: {1}", 

                              Task.CurrentId == null ? "no task" : Task.CurrentId.ToString(),

                              Thread.CurrentThread.ManagedThreadId);

            Console.WriteLine("is pooled thread: {0}", 

                              Thread.CurrentThread.IsThreadPoolThread);

            Console.WriteLine("is background thread: {0}", 

                              Thread.CurrentThread.IsBackground);

            Console.WriteLine();

        }

    }

}