void CountDown(object o, ElapsedEventArgs a)
        {
            CounterItem cItem = counter.CountDown();

            if (cItem.Count == 0)
            {
                timer.Stop();

                if (device == null)
                {
                    return;
                }

                try
                {
                    pictureBox1.Image = ImageProcessing.Properties.Resources.smile;
                    pictureBox2.Image = null;
                    if (ClosingTimerStarted)
                    {
                        closingTimer.Elapsed -= new ElapsedEventHandler(CloseForm);
                        closingTimer.Stop();
                        ClosingTimerStarted = false;
                    }
                    closingTimer.Elapsed += new ElapsedEventHandler(CloseForm);
                    closingTimer.Start();
                    ClosingTimerStarted = true;
                    device.Capture();
                }
                catch (NikonException ex)
                {
                    if (ex.ErrorCode == eNkMAIDResult.kNkMAIDResult_OutOfFocus)
                    {
                        pictureBox3.Image = null;
                        pictureBox1.Image = ImageProcessing.Properties.Resources.focuserror;
                        pictureBox2.Image = null;
                    }
                    else if (ex.ErrorCode == eNkMAIDResult.kNkMAIDResult_BatteryDontWork)
                    {
                        pictureBox3.Image = null;
                        pictureBox1.Image = ImageProcessing.Properties.Resources.lowbattery;
                        pictureBox2.Image = null;
                        return;
                    }
                    else if (ex.ErrorCode == eNkMAIDResult.kNkMAIDResult_UnexpectedError)
                    {
                        pictureBox3.Image = null;
                        pictureBox1.Image = ImageProcessing.Properties.Resources.unknownerror;
                        pictureBox2.Image = null;
                        return;
                    }
                    closingTimer.Stop();
                    closingTimer.Enabled = false;
                    ClosingTimerStarted  = false;
                    counter       = new Counter();
                    timer.Enabled = true;
                    timer.Start();
                }
                return;
            }
            pictureBox1.Image = cItem.Number;
            pictureBox2.Image = cItem.Smile;
        }