public void Initialize()
 {
     _viewModel = new VendingMachineViewModel(
         new Catalog()
             .AddProduct("Doritos")
             .AddProduct("Cheezits"),
         new Order(),
         new VendingMachineNavigationModel());
 }
 private void HomeView_Loaded(object sender, RoutedEventArgs e)
 {
     var viewModel = new VendingMachineViewModel(
         new Catalog()
             .AddProduct("Doritos")
             .AddProduct("Cheezits"),
         new Order(),
         new VendingMachineNavigationModel());
     DataContext = ForView.Wrap(viewModel);
 }