public RentABicycle(MainMenu m)
 {
     myCaller = m;
     InitializeComponent();
     ourVehicles = new VehicleCollection();
     foreach (Vehicle v in ourVehicles.Bikes)
     {
         ChooseBicycleBox.Items.Add(v.ID);
     }
 }
        public RentABicycleForm(Form m, Worker w)
        {
            InitializeComponent();
            myCaller = m;
            VehicleCollection vc = new VehicleCollection();

            vc.populateWithGoodAndAvailableBikes();
            bikeIDs = vc.getBikeIDs();
            ChooseBicycleComboBox.Items.AddRange(bikeIDs);
            currentWorker = w;
        }