AsyncHelper.Program.Main C# (CSharp) Méthode

        static void Main(string[] args)
        {
            DateTime t1 = DateTime.Now;
            PrintPrimaryNumbers();
            var ts1 = DateTime.Now.Subtract(t1);
            Trace.WriteLine("Finished Sync and started Async");
            var t2 = DateTime.Now;
            PrintPrimaryNumbersAsync();
            var ts2 = DateTime.Now.Subtract(t2);

            Trace.WriteLine(string.Format(
              "It took {0} for the sync call and {1} for the Async one", ts1, ts2));

            Trace.WriteLine("Any Key to terminate!!");
        }