private Booking booking; //a booking object to be displayed on screen
public Invoice(Booking booking, SerializeData serializer) //a constructor
{
InitializeComponent();
this.booking = booking;
InvoiceBooking invoice = new InvoiceBooking(booking, serializer); //create a new invoicebooking object which deals with calculations
tbBookingReferenceNumber.Text = booking.BookingReferenceNumber.ToString(); //show the booking reference number on screen
tbCostPerNight.Text = invoice.basicCost().ToString(); //show the cost per night
tbExtrasCost.Text = invoice.extrasCost().ToString(); //show the extras cost
}
private List <string> listOfGuests; //a list of all the guests of the booking
public InvoiceBooking(Booking booking, SerializeData serializer) //constructor
{
this.booking = booking;
this.serializer = serializer;
listOfGuests = booking.GuestArray; //gets the guests from the booking
}