Easier .NET settings

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using Microsoft.Practices.Unity;
using System.Web.SessionState;

namespace Tracking.Unity.ASPNET
{
    public class TrackingModule : IHttpModule
    {
        IUnityContainer _container;
        public TrackingModule(IUnityContainer container)
        {
            _container = container;
            _container.AddExtension(new TrackingExtension());
        }

        public void Dispose()
        {
        }

        public void Init(HttpApplication context)
        {
            context.PreRequestHandlerExecute += new EventHandler(context_PreRequestHandlerExecute);
            context.PostRequestHandlerExecute += new EventHandler(context_PostRequestHandlerExecute);
        }

        void context_PreRequestHandlerExecute(object sender, EventArgs e)
        {
            if (HttpContext.Current.Handler is IRequiresSessionState || HttpContext.Current.Handler is IReadOnlySessionState)
            {
                object page = HttpContext.Current.Handler;
                _container.BuildUp(page.GetType(), page);
            }
        }

        void context_PostRequestHandlerExecute(object sender, EventArgs e)
        {
            if (HttpContext.Current.Handler is IRequiresSessionState || HttpContext.Current.Handler is IReadOnlySessionState)
            {
                //named trackers
                foreach (SettingsTracker tracker in _container.ResolveAll<SettingsTracker>())
                    tracker.PersistAutomaticTargets();

                //unnamed tracker
                if(_container.IsRegistered<SettingsTracker>())
                    _container.Resolve<SettingsTracker>().PersistAutomaticTargets();
            }
        }
    }
}