/*
* True if it is possible to add a guest to the booking,
* otherwise false.
* Displays error message windows.
*/
private bool canAddGuest()
{
bool canAddGuest = true;
if (!mFacade.IsABookingLoaded())
{
canAddGuest = false;
MessageBox.Show("Please save the booking before adding"
+ " the guests.");
}
else if (mFacade.GetCurrentNbGuests() >= 4)
{
canAddGuest = false;
MessageBox.Show("This booking is already full, the"
+ " maximum number of guests per booking"
+ " is 4.");
}
return(canAddGuest);
}
