동구의 블로그

    public static class FocusAdvancement
    {
        public static bool GetAdvancesByEnterKey(DependencyObject obj)
        {
            return (bool)obj.GetValue(AdvancesByEnterKeyProperty);
        }
        public static void SetAdvancesByEnterKey(DependencyObject obj, bool value)
        {
            obj.SetValue(AdvancesByEnterKeyProperty, value);
        }
        public static readonly DependencyProperty AdvancesByEnterKeyProperty =
            DependencyProperty.RegisterAttached("AdvancesByEnterKey", typeof(bool), typeof(FocusAdvancement),
            new UIPropertyMetadata(OnAdvancesByEnterKeyPropertyChanged));
        static void OnAdvancesByEnterKeyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            var element = d as UIElement;
            if (element == null) 
                return;
            if ((bool)e.NewValue) 
                element.KeyDown += Keydown;
            else 
                element.KeyDown -= Keydown;
        }
        static void Keydown(object sender, KeyEventArgs e)
        {
            if (!e.Key.Equals(Key.Enter)) 
                return;
            var element = sender as UIElement;
            if (element != null) 
                element.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
        }