private void AddItemToList(DragScrollListBox listBox, Item item, Category category)
        {
            string description = item.FullName + Environment.NewLine + Strings.CouponEditorCategory +
                                 category.NameValue;

            listBox.Items.Add(new FormattedListBoxItem(item.Id, description, true));
        }
 private void AddCategoryToList(DragScrollListBox listBox, Category category)
 {
     listBox.Items.Add(
         new FormattedListBoxItem(category.Id, category.NameValue, true));
 }