/** Process purchasing of an item */ public void DoBuy(object source, EventArgs e) { MDRItem item = selectedItem; var didBuy = Store.PurchaseItem(item); if (didBuy) { SoundManager.Play("coin"); } // If the item we had selected is no longer avalible deselect it if (Store.GetQuantity(item) <= 0) { StoreSelectedItemID = -1; } }