gistfile1.cs

        public static IDisposable Bind<TViewModel, TView, TProp>(
                this TView view,
                Expression<Func<TViewModel, TProp>> vmProperty,
                Expression<Func<TView, TProp>> viewProperty)
            where TViewModel : class
            where TView : IViewFor<TViewModel>
        {
            // C# isn't smart enough to infer the type parameters
            // by looking at the TView to determine TViewModel
        }