Measure.Performance (Simplifies work with Stopwatch class)

gistfile1.cs

using System;
using System.Collections.Generic;

namespace PerformanceMeasurementMadeEasy
{
    public static class Measure
    {
        private static readonly System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
        /// <summary>
        /// Will be executed at the end of each peformance measurment, by default writes elapsed ms to Console
        /// </summary>
        public static Action<long> WhenDone = elapsedTime => Console.WriteLine(elapsedTime + "ms");

        public static void Performance(Action codeToMeasure, string prefix = "")
        {
            stopwatch.Reset();
            stopwatch.Start();

            codeToMeasure.Invoke();

            stopwatch.Stop();

            WhenDone.Invoke(stopwatch.ElapsedMilliseconds);
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            //usage example

            //make a one-time-setup of an action you would like to perform after perf. measurement
            Measure.WhenDone = x => Console.WriteLine("Execution time: {0}ms", x);

            //actual sugar
            Measure.Performance(() =>
            {
                for (int i = 0; i < 10000000; i++)
                {
                    var dict = new Dictionary<string, object>();
                    dict["key1"] = null;
                }
            });
        }
    }
}