private static string MugenBindingTest(int count)
        {
            var target = new TestModel();
            var model = new BindingPerformanceModel(target);
            target.Bind(() => t => t.Value)
                .To(model, () => (vm, ctx) => vm.Property)
                .TwoWay()
                .Build();

            Stopwatch startNew = Stopwatch.StartNew();
            for (int i = 0; i < count; i++)
                target.Value = i%2 == 0 ? "0" : "1";
            startNew.Stop();

            if (model.SetCount != count)
                throw new Exception();
            return startNew.Elapsed.ToString();
        }
        private static string NativeBindingTest(int count)
        {
            var target = new TestModel();
            var model = new BindingPerformanceModel(target);
            var binding = new Windows.UI.Xaml.Data.Binding
            {
                Source = model,
                Mode = BindingMode.TwoWay,
                Path = new PropertyPath("Property"),
                UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
            };
            BindingOperations.SetBinding(target, TestModel.ValueProperty, binding);

            Stopwatch startNew = Stopwatch.StartNew();
            for (int i = 0; i < count; i++)
                target.Value = i%2 == 0 ? "0" : "1";
            startNew.Stop();

            if (model.SetCount != count)
                throw new Exception();
            return startNew.Elapsed.ToString();
        }
        private static string MugenBindingExpTest(int count)
        {
            var target = new TestModel();
            var model = new BindingPerformanceModel(target);
            target.Bind(() => m => m.Value)
                .To(model, () => pm => (pm.Property ?? string.Empty).Length + pm.Property)
                .Build();

            Stopwatch startNew = Stopwatch.StartNew();
            for (int i = 0; i < count; i++)
                model.Property = i % 2 == 0 ? "0" : "1";
            startNew.Stop();

            if (model.SetCount != count)
                throw new Exception();
            return startNew.Elapsed.ToString();
        }
        private static string NoBindingTest(int count)
        {
            var target = new TestModel();
            var model = new BindingPerformanceModel(target);
            target.ValueChanged += (sender, args) => model.Property = ((TestModel)sender).Value;

            Stopwatch startNew = Stopwatch.StartNew();
            for (int i = 0; i < count; i++)
                target.Value = i % 2 == 0 ? "0" : "1";
            startNew.Stop();

            if (model.SetCount != count)
                throw new Exception();
            return startNew.Elapsed.ToString();
        }
        private static string NoBindingTest(int count)
        {
            var target = new TestModel();
            var model = new BindingPerformanceModel(target);

            Stopwatch startNew = Stopwatch.StartNew();
            for (int i = 0; i < count; i++)
            {
                string text = i % 2 == 0 ? "0" : "1";
                target.Value = text;
                model.Property = text;
            }
            startNew.Stop();

            if (model.SetCount != count)
                throw new Exception();
            return startNew.Elapsed.ToString();
        }