/// <summary>
        /// This is the click handler for the 'Solution' button.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private async void bookmarkBtn_Click(object sender, RoutedEventArgs e)
        {
            InMemoryRandomAccessStream ms = new InMemoryRandomAccessStream();
            await webView8.CapturePreviewToStreamAsync(ms);

            //Create a small thumbnail
            int    longlength = 180, width = 0, height = 0;
            double srcwidth = webView8.ActualWidth, srcheight = webView8.ActualHeight;
            double factor = srcwidth / srcheight;

            if (factor < 1)
            {
                height = longlength;
                width  = (int)(longlength * factor);
            }
            else
            {
                width  = longlength;
                height = (int)(longlength / factor);
            }
            BitmapSource small = await resize(width, height, ms);

            BookmarkItem item = new BookmarkItem();

            item.Title   = webView8.DocumentTitle;
            item.PageUrl = webView8.Source;
            item.Preview = small;

            bookmarks.Add(item);
        }
        /// <summary>
        /// This is the click handler for the 'Solution' button.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private async void bookmarkBtn_Click(object sender, RoutedEventArgs e)
        {
            InMemoryRandomAccessStream ms = new InMemoryRandomAccessStream();
            await webView8.CapturePreviewToStreamAsync(ms);
            
            //Create a small thumbnail
            int longlength = 180, width = 0, height = 0;
            double srcwidth = webView8.ActualWidth, srcheight = webView8.ActualHeight;
            double factor = srcwidth / srcheight;
            if (factor < 1)
            {
                height = longlength;
                width = (int)(longlength * factor);
            }
            else
            {
                width = longlength;
                height = (int)(longlength / factor);
            }
            BitmapSource small = await resize(width, height, ms);
            
            BookmarkItem item = new BookmarkItem();
            item.Title = webView8.DocumentTitle;
            item.PageUrl = webView8.Source;
            item.Preview = small;

            bookmarks.Add(item);
        }
        private void bookmarkList_ItemClick(object sender, ItemClickEventArgs e)
        {
            BookmarkItem b = (BookmarkItem)e.ClickedItem;

            webView8.Navigate(b.PageUrl);
        }