private DeletionHelp delHelp; // and the helper window.
public Facade()
{
delbook = new DeleteBooking();
delcust = new DeleteCustomer();
delHelp = new DeletionHelp();
}
private void btnDelBooking_Click(object sender, RoutedEventArgs e)
{
DeleteBooking delbook1 = new DeleteBooking(); // Allows access to the window for deleting a booking.
delbook1.Show();
}