MDKlabs/Lab19-3/Program.cs

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

namespace Lab193
{
    class Program
    {
        static void TaskAction()
        {
            Console.WriteLine($"TaskAction started. Task ID: {Task.CurrentId}");
            for (int i = 0; i < 5; i++)
            {
                Thread.Sleep(1000);
                Console.WriteLine($"Task ID: {Task.CurrentId}; Count: {i}");
            }
        }

        public static void Main(string[] args)
        {
            Console.WriteLine("Main thread start!");

            Task task1 = new Task(TaskAction);
            Task task2 = new Task(TaskAction);
            task1.Start();
            task2.Start();

            for (int i = 0; i < 25; i++)
            {
                Console.Write(".");
                Thread.Sleep(500);
            }

            Console.WriteLine("Main thread stop!");
        }
    }
}