shows how the system can handle registration of MVC2 Areas out of the box.

MVC2 Area Registration

/// <summary>
/// Provides the auto-registration of MVC related components (controllers, view engines, filters, etc).
/// </summary>
/// <param name="registrationList"></param>
public virtual void AddRegistrations(AutoRegistrationList registrationList) {
    registrationList
                .Add(MvcRegistration.RegisterController())
                .Add(MvcRegistration.RegisterViewEngine())
                .Add(MvcRegistration.RegisterFilter<IActionFilter>())
                .Add(MvcRegistration.RegisterFilter<IResultFilter>())
                .Add(MvcRegistration.RegisterFilter<IAuthorizationFilter>())
                .Add(MvcRegistration.RegisterFilter<IExceptionFilter>())
                .Add(MvcRegistration.RegisterBinder())
                // Register all AreaRegistrations in the AppDomain
                .Add(MvcRegistration.RegisterAreas());
}

/// <summary>
/// Setups the areas for an MVC application
/// </summary>
/// <param name="context">The context.</param>
public virtual void SetupAreas(IRotorContext context) {
    var serviceLocator = GetServiceLocatorFromContext(context);

    IList<AreaRegistration> areaRegistrations = GetAreaRegistrations(serviceLocator);
    if (areaRegistrations == null) return;

    foreach (var areaRegistration in areaRegistrations) {
        var registrationContext = new AreaRegistrationContext(areaRegistration.AreaName, RouteTable.Routes);
        areaRegistration.RegisterArea(registrationContext);
    }
}

/// <summary>
/// Gets the <see cref="AreaRegistration"/> that have been auto-registered with the system.
/// </summary>
/// <param name="serviceLocator"></param>
/// <returns></returns>
protected virtual IList<AreaRegistration> GetAreaRegistrations(IServiceLocator serviceLocator) {
    try {
        return serviceLocator.ResolveServices<AreaRegistration>();
    } catch {
        return null;
    }
}