private void SortItem_OnTap(object sender, GestureEventArgs e)
        {
            ProductsSearchSortTypeListItem sortTypeListItem = ((FrameworkElement)sender).DataContext as ProductsSearchSortTypeListItem;

            if (sortTypeListItem == null)
            {
                return;
            }
            this._viewModel.SelectSortItem(sortTypeListItem);
        }
        private void SortItem_OnTap(object sender, System.Windows.Input.GestureEventArgs e)
        {
            ProductsSearchSortTypeListItem dataContext = ((FrameworkElement)sender).DataContext as ProductsSearchSortTypeListItem;

            if (dataContext == null)
            {
                return;
            }
            this._viewModel.SelectSortItem(dataContext);
        }