C# (CSharp) IPaymentMethod.IsValid примеры использования

Пример #1

        public Payment(IPaymentMethod paymentMethod)
        {
            if (paymentMethod is CreditCard)
            {
                CreditCard = paymentMethod as CreditCard;
            }

            if (!paymentMethod.IsValid())
            {
                AddValidationResults(paymentMethod.ValidationResult);
            }
        }