public static void Add_Card(string arg1, DateTime arg2, double arg3)
{
try
{
Credit_Card c1 = new Credit_Card(arg1, arg2, arg3);
Credit_Card_Processor.Save_Card(c1);
}
finally
{
//return " Card Added (success indication)"
}
}
public static Credit_Card Load_Card()
{
FileStream credit_card_stream = new FileStream("Credit Cards.data", FileMode.Open, FileAccess.Read);
BinaryFormatter bf = new BinaryFormatter();
try
{
Credit_Card c1 = (Credit_Card)bf.Deserialize(credit_card_stream);
return(c1);
}
finally
{
credit_card_stream.Close();
}
}
public static void Save_Card(Credit_Card arg1)
{
FileStream credit_card_stream = new FileStream("Credit Cards.data", FileMode.Append, FileAccess.Write);
BinaryFormatter bf = new BinaryFormatter();
try
{
bf.Serialize(credit_card_stream, arg1);
}
finally
{
credit_card_stream.Close();
number_of_credit_cards++;
}
}
