private void displayLicensePlates() { string outList = null; if (m_UI.AskUserFilterChoise()) { VehicleInfo.eVehicleStatus userChoise = m_UI.GetStatus(); outList += m_Data.GetListLicensePlateByStatus(userChoise); } else { outList += m_Data.GetListLicensePlate(); } if (outList.Length == 0) { outList = "No Vehicles In This Status"; } m_UI.PrintMsg(outList); }