public static bool TryCloseSerialPort(ObjectClasses.ISerialPortIo serialPort1, string source)
{
if (serialPort1.IsOpen == true)
{
try
{
serialPort1.Close();
return true;
}
catch (System.IO.IOException)
{
DataComms.CreateThreadInstance("TryCloseSerialPort - IOException: " + source);
}
catch (UnauthorizedAccessException)
{
DataComms.CreateThreadInstance("TryCloseSerialPort - UnauthorizedAccessException: " + source);
}
catch (Exception)
{
DataComms.CreateThreadInstance("TryCloseSerialPort - Exception: " + source);
}
finally
{
}
return false;
}
else
{
return true;
}
}
public static bool TryOpenSerialPort(ObjectClasses.ISerialPortIo serialPort1, string source)
{
if (serialPort1.IsOpen == false)
{
try
{
serialPort1.Open();
return true;
}
catch (System.IO.IOException e)
{
DataComms.CreateThreadInstance("TryOpenSerialPort - IOException: " + source);
}
catch (UnauthorizedAccessException e)
{
DataComms.CreateThreadInstance("TryOpenSerialPort - UnauthorizedAccessException " + source);
serialPort1.Close();
//serialPort1.Dispose();
//serialPort1 = new SerialPort();
//Logger.Write("UnauthorizedAccessException while trying to open the serial port");
//LblStatus.Text = "UnauthorizedAccessException: Please exit and restart the program";
}
catch (Exception)
{
DataComms.CreateThreadInstance("TryOpenSerialPort - Exception " + source);
}
finally
{
}
return false;
}
else
{
return true;
}
}