public ProductAdding(MainFrame hoofdscherm)
        {
            this.hoofdscherm = hoofdscherm;

            InitializeComponent();

            Invalidate();

            //Needs to be after initializeComponents to prevent NULL errors
            controller = new PlacementController(hoofdscherm, this);

            //Invalidate();
        }
 public void knowYourController(PlacementController pc)
 {
     placementController = pc;
 }