ComponentFactory.Krypton.Ribbon.VisualPopupMinimized.SetPreviousFocusItem C# (CSharp) Method

        public void SetPreviousFocusItem()
        {
            // Find the previous item in sequence
            ViewBase newView = _ribbon.GroupsArea.ViewGroups.GetPreviousFocusItem(ViewRibbonManager.FocusView);

            // Rotate around to the last item
            if (newView == null)
                SetLastFocusItem();
            else
            {
                ViewRibbonManager.FocusView = newView;
                PerformNeedPaint(false);
            }
        }

        private void KeyDownPopupMinimized(VisualPopupMinimized popupMinimized, KeyEventArgs e)
        {
            switch (e.KeyData)
            {
            case Keys.Tab | Keys.Shift:
            case Keys.Left:
                popupMinimized.SetPreviousFocusItem();
                break;

            case Keys.Tab:
            case Keys.Right:
                popupMinimized.SetNextFocusItem();
                break;
            }
        }