void ScanStartButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                if (CurrentModel == null)
                {
                    return;
                }

                if (String.IsNullOrEmpty(DurationTextBox.Text))
                {
                    return;
                }

                var patrol   = (PatrolDirection)DirectionComboBox.SelectedItem;
                var duration = double.Parse(DurationTextBox.Text);
                CurrentModel.Patrol(patrol, duration);
            }
            catch (Exception exception)
            {
                Log.Write(exception.Message);
            }
        }