private void closeConnect()
{
try
{
sms.ClosePort(serialPort);
serialPort = null;
}
catch (Exception ex)
{
File.AppendAllText(@"C:\netmd.log", "Message: " + ex.Message + " - closeConnect\r\n");
File.AppendAllText(@"C:\netmd.log", "StackTrace: " + ex.StackTrace + "\r\n");
File.AppendAllText(@"C:\netmd.log", "========================================================\r\n");
}
finally
{
serialPort = null;
}
}