CloverExamplePOS.CloverExamplePOSForm.DiscountButton_Click C# (CSharp) Method

        private void DiscountButton_Click(object sender, EventArgs e)
        {
            SelectedLineItem.Discount = new POSLineItemDiscount(0.1f, "10% Off");
            DisplayDiscount discount = new DisplayDiscount();
            DisplayLineItem displayLineItem = posLineItemToDisplayLineItem[SelectedLineItem];
            discount.lineItemId = displayLineItem.id;
            displayLineItem.addDiscount(discount);

            discount.name = SelectedLineItem.Discount.Name;
            discount.percentage = "10";
            discount.amount = (SelectedLineItem.Discount.Value(SelectedLineItem.Item) * SelectedLineItem.Quantity / 100.0).ToString("C2");

            UpdateDisplayOrderTotals();
            cloverConnector.ShowDisplayOrder(DisplayOrder);

            DiscountButton.Enabled = false;
            UpdateOrderUI();
        }