public FormShoppingCart() { InitializeComponent(); _repo = new BeverageRepo(); priceCalculator = new PriceCalculator(); _cart = ShoppingCart.GetShoppingCart(); //foreach (var control in this.Controls) //{ // MyUserControl myUserControl = control as MyUserControl; // if (myUserControl != null) // { // myUserControl.AddToCartButtonClicked += AddToCartButtonClickedInUserControl; // } //} var drinks = _repo.GetBeverages(); ShowShoppingCartItems(drinks); ShowTotalExclBTW(drinks); ShowBTW(drinks); ShowTotalInclBTW(drinks); }