private static void ReadWattHour(RS232 paramcom, ValenceBattery parambattery) { try { paramcom.Write(parambattery.BatteryWHRead()); if (paramcom.Read(11) != -1) { if (!parambattery.BatteryWHReturn(paramcom.InputStream)) { throw new Exception("Read Watt Hour Error"); } Console.WriteLine($"Watt Hours: {Convert.ToString(parambattery.WattHour)}"); } } catch (Exception ex) { throw new Exception(ex.Message.ToString()); } }