using System;

using System.Diagnostics;

​

public static class Program

{

    public static void Main()

    {

        // Display the timer frequency and resolution.

        if (Stopwatch.IsHighResolution)

        {

            Console.WriteLine("Operations timed using the system's high-resolution performance counter.");

        }

        else 

        {

            Console.WriteLine("Operations timed using the DateTime class.");

        }

        long frequency = Stopwatch.Frequency;

        Console.WriteLine("  Timer frequency in ticks per second = {0}",

            frequency);

​

        long nanosecPerTick = (1000L*1000L*1000L) / frequency;

        Console.WriteLine("  Timer is accurate within {0} nanoseconds", 

            nanosecPerTick);

        }

}

​