public Form1() { InitializeComponent(); boatShop = new BoatShop(); Array mas = VesselType.GetValues(typeof(VesselType)); foreach (VesselType name in mas) { comboBoxVesselType.Items.Add(name); } Array mas2 = SpeedUnit.GetValues(typeof(SpeedUnit)); foreach (SpeedUnit name in mas) { comboBoxSpeedUnit.Items.Add(name); } }