private void ScannerOnMouseDown(object sender, MouseButtonEventArgs e)
        {
            e.Handled = true;
            var focus = TextNumbers.Focus();

            Debug.WriteLine($"{sender} ScannerOnMouseDown {e.ChangedButton}, focus: {focus}");
            TextNumbers.SelectAll();
            // SelectAllNumbers();
        }
        private void ScannerOnMouseWheel(object sender, MouseWheelEventArgs e)
        {
            var change = GetChangeValue();

            if (e.Delta > 0)
            {
                Increase(change);
            }
            else if (e.Delta < 0)
            {
                Increase(-change);
            }
            e.Handled = true;
            if (Keyboard.FocusedElement is Window)
            {
                Debug.WriteLine(Keyboard.FocusedElement);
                // Keyboard.FocusedElement.f
                Debug.WriteLine($"{TextNumbers.Focus()} -");
            }

            // Debug.WriteLine($"{Scanner.Focus()} -");
        }