public SerialPortMessage_EventArgs(MessageTypes mtp, ConnectingStatusTypes status, byte[] received_buffer, string comPortInfor)
{
MsgType = mtp;
ConectedStatus = status;
ComPortInformation = comPortInfor;
ReceivedBuffer = (byte[])received_buffer.Clone();
}
private ActionStatus OpenComPort(string portName)
{
bool error = false;
gSerialComPort.BaudRate = Default_BaudRate;
gSerialComPort.DataBits = Default_DataBits;
gSerialComPort.StopBits = Default_StopBits;
gSerialComPort.Parity = Default_Parity;
gSerialComPort.PortName = portName;
gSerialComPort.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived);
try
{
// Open the port
gSerialComPort.Open();
}
catch (UnauthorizedAccessException) { error = true; }
catch (IOException) { error = true; }
catch (ArgumentException) { error = true; }
if (error)
{
//MessageBox.Show("Could not open the COM port. Most likely it is already in use, has been removed, or is unavailable.", "COM Port Unavalible", MessageBoxButtons.OK, MessageBoxIcon.Stop);
CloseComPort();
Connection = ConnectingStatusTypes.Disconnected;
return(ActionStatus.Failure);
}
else
{
Connection = ConnectingStatusTypes.Connected;
return(ActionStatus.Success);
}
}
private void CloseComPort()
{
try
{
if (gSerialComPort.IsOpen)
{
Connection = ConnectingStatusTypes.Disconnected;
gSerialComPort.DataReceived -= new SerialDataReceivedEventHandler(port_DataReceived);
gSerialComPort.DiscardInBuffer();
gSerialComPort.DiscardOutBuffer();
gSerialComPort.Close();
}
}
catch (Exception ex)
{
string str = ex.ToString();
}
}