Basic StopWatch

StopWatch.cs

using System;
using System.Threading;
using System.Collections.Generic;
using Diag = System.Diagnostics;

namespace dotNetPlayGround
{
    class StopWatch
    {
        public static void Main()
        {
            Diag.Stopwatch sw = new Diag.Stopwatch();
            sw.Start();
            Thread.Sleep(1000);
            sw.Stop();
            Console.WriteLine(sw.Elapsed.Ticks);
        }
    }
}