public void Close()
{
if (!isOpen)
throw new InvalidOperationException("Serial Port - port already closed!");
if (internalSerialStream != null)
{
internalSerialStream.Close();
internalSerialStream = null;
}
isOpen = false;
}
public void Open()
{
if (isOpen)
throw new InvalidOperationException("Serial Port - port already open!");
if (parity < Parity.None || parity > Parity.Space)
throw new ArgumentOutOfRangeException("parity", Resources.GetResourceString("ArgumentOutOfRange_Enum"));
if (dataBits < minDataBits || dataBits > maxDataBits)
throw new ArgumentOutOfRangeException("dataBits",
Resources.GetResourceString("ArgumentOutOfRange_Bounds_Lower_Upper", minDataBits, maxDataBits));
if (stopBits < StopBits.One || stopBits > StopBits.OnePointFive)
throw new ArgumentOutOfRangeException("stopBits", Resources.GetResourceString("ArgumentOutOfRange_Enum"));
if (baudRate <= 0)
throw new ArgumentOutOfRangeException("baudRate", Resources.GetResourceString("ArgumentOutOfRange_NeedPosNum"));
if (portName == null)
throw new ArgumentNullException("resource", Resources.GetResourceString("ArgumentNull_String"));
if (handshake < Handshake.None || handshake > Handshake.RequestToSendXOnXOff)
throw new ArgumentOutOfRangeException("handshake", Resources.GetResourceString("ArgumentOutOfRange_Enum"));
if (readTimeout < 0 && readTimeout != SerialPort.InfiniteTimeout)
throw new ArgumentOutOfRangeException("readTimeout", Resources.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (writeTimeout <= 0 && writeTimeout != SerialPort.InfiniteTimeout)
throw new ArgumentOutOfRangeException("writeTimeout", Resources.GetResourceString("ArgumentOutOfRange_NeedPosNum"));
if (portName.StartsWith("\\\\"))
throw new ArgumentException("resource", Resources.GetResourceString("Arg_SecurityException"));
internalSerialStream = new SerialStream(portName, baudRate, parity, dataBits, stopBits, readTimeout,
writeTimeout, handshake, dtrEnable, rtsEnable, discardNull, parityReplace);
internalSerialStream.ErrorEvent += new SerialEventHandler(CatchErrorEvents);
internalSerialStream.PinChangedEvent += new SerialEventHandler(CatchPinChangedEvents);
internalSerialStream.ReceivedEvent += new SerialEventHandler(CatchReceivedEvents);
isOpen = true;
}