public void FillAirInWheels(string i_LicensePlateNumber, float[] i_AmountOfAirToFill) { Vehicle curVehicle = SearchVehicle(i_LicensePlateNumber); if (curVehicle == null) { throw new VehicleNotInGarageException(); } else { curVehicle.FillAirInWheels(i_AmountOfAirToFill); } }