mef-demo/MEFDemo/Program.cs

using Proxy;
using System;
using System.ComponentModel.Composition.Hosting;
using System.Diagnostics;
using Util;

namespace MEFDemo
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var stopwatch = Stopwatch.StartNew();
            var catalog = new AggregateCatalog();
            var assemblyDirectory = ".";
            catalog.Catalogs.Add(new DirectoryCatalog(assemblyDirectory));
            var container = new CompositionContainer(catalog);
            Console.WriteLine("Setup : {0}", stopwatch.Elapsed);

            Run(container);

            Console.ReadLine();
        }

        public static string Run(CompositionContainer container)
        {
            var stopwatch = Stopwatch.StartNew();
            var machineChecker = container.GetExport<MachineChecker>();
            Console.WriteLine("Export: {0}", stopwatch.Elapsed);

            stopwatch.Restart();
            var check = machineChecker.Value.Check("localhost");
            Console.WriteLine("{0,8}{1}", check, stopwatch.Elapsed);
            stopwatch.Stop();
            
            return check;
        }
    }
}