using System;

using System.Threading;                 

​

public class Program

{

    public static void Main()

    {

        long startTick = DateTime.Now.Ticks;

        Thread.Sleep(10);

        long endTick = DateTime.Now.Ticks;

        long tick = endTick - startTick;

        long seconds = tick / TimeSpan.TicksPerSecond;

        long milliseconds = tick / TimeSpan.TicksPerMillisecond;

        long microseconds = tick / 10;

        Console.WriteLine("Seconds Elapsed :" + seconds);

        Console.WriteLine("Millseconds Elapsed :" + milliseconds);

        Console.WriteLine("Microseconds Elapsed :" + microseconds);

        Console.ReadLine();

    }

}