using System;

using System.Collections.Generic;

using System.Threading.Tasks;

public class Program

{

        public static void Main()

        {

            Task.Run(() => Example()).Wait();

        }

​

        static async Task Example()

        {

            var max = 10;

            List<Task> listOfTasks = new List<Task>();

​

            for (int i = 0; i < max; i++)

            {

                listOfTasks.Add(ProcessSomething(i));

            }

​

            await Task.WhenAll(listOfTasks);

        }

​

        static async Task ProcessSomething(int index)

        {

            Console.WriteLine("Process" + index.ToString() + " started");

            await Task.Delay(1000);

            Console.WriteLine("Process" + index.ToString() + " finished");

        }

}