Time measuring for code blocks with StopWatch and NLog.

MonitoredScope.cs

using System;
using System.Diagnostics;
using NLog;

namespace Doering.Logging
{
    /// <summary>
    /// Use MonitoredScope within a using statement to measure the time the operation needs.
    /// The result will be written to the NLog logger.
    /// </summary>
    public class MonitoredScope : IDisposable
    {
        private static readonly Logger Logger = LogManager.GetCurrentClassLogger();

        private readonly Stopwatch _watch;

        public string Name { get; set; }

        public MonitoredScope(string name)
        {
            Name = name;
            Logger.Info($"Entering monitored scope \"{name}\".");
            _watch = new Stopwatch();
            _watch.Start();
        }

        public void Dispose()
        {
            _watch.Stop();
            Logger.Info($"Leaving monitored scope \"{Name}\". (Elapsed time: {_watch.ElapsedMilliseconds}ms)");
        }
    }
}