private void testEmail()
        {
            this.Invoke(new Action <bool>(progressIsMoving), true);
            sendMail mail = new sendMail();

            try
            {
                mail.sendNow("Battery Notification Email Test", "Test email from Battery Notification");
                logging.writeLog("Sent test email");
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error sending email.\n" + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                logging.writeLog("Error sending email.\n" + ex.Message);
            }
            this.Invoke(new Action <bool>(progressIsMoving), false);
        }