Use Stopwatch: start, stop and reset : Stopwatch « Date Time « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Date Time
3. Stopwatch

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Threading;

public class MainClass
{
    public static void Main()
    {
        Stopwatch sw = new Stopwatch();
        sw.Start();
        for (int i = 0; i < 1000; i++)
        {
        }
        sw.Stop();

        Console.WriteLine("Parse pattern took {0}ms", sw.ElapsedMilliseconds);
        sw.Reset();

        sw.Start();
        for (int i = 0; i < 1000; i++)
        {
        }
        sw.Stop();

        Console.WriteLine("TryParse pattern took {0}ms", sw.ElapsedMilliseconds);
    }
}

Parse pattern took 0ms
TryParse pattern took 0ms