//recebe o veiculo da classe mainform e inicializa o form public void InitializeForm() { using VehicleService vehicleService = new VehicleService(); cbCarType.Items.Clear(); cbCarType.Items.Add(EnumType.Car); cbCarType.Items.Add(EnumType.Coupe); cbCarType.Items.Add(EnumType.Pickup); foreach (var cor in vehicleService.CarregaComboBoxCor()) { cbCor.Items.Add(cor); } }