Returns a Boolean value indicating whether users can select multiple thumbnails in the thumbnail view at one time.
- macOS 10.5+
true if users can select multiple thumbnails simultaneously,
PDFThumbnail allows only a single thumbnail to be selected at one time. When this is the case, you can get the PDF page that corresponds to the selected thumbnail using the
When multiple selections are enabled, however, you must use
selected to get the pages that correspond to the set of selected thumbnails.