Beispiel #1
0
 public void Fund(PaymentAccount paymentAccount, float amount)
 {
     if (paymentAccount == null)
     {
         return;
     }
     paymentAccount.Fund(amount);
 }
Beispiel #2
0
 public bool Change(PaymentAccount paymentAccount, float amount)
 {
     if (paymentAccount == null)
     {
         return(false);
     }
     return(paymentAccount.Charge(amount));
 }