/// <summary>
        /// constructor that initializes the cash payment screen.
        /// </summary>
        /// <param name="ancestor"></param>
        public CashPayment(FullMenu ancestor)
        {
            InitializeComponent();
            this.ancestor = ancestor;
            OrderList o = (OrderList)this.ancestor.openSpace.DataContext;

            DataContext = new PaymentViewModel(o.Total);
        }
 public PaymentOptions(FullMenu ancestor)
 {
     InitializeComponent();
     this.ancestor = ancestor;
 }