pub unsafe static kQLPreviewOptionCursorKey: Option<&'static CFString>👎Deprecated: Use a QLPreviewingController in a Preview Extension to provide previews for your file types.
Available on crate feature
QLGenerator only.Expand description
Value is the same CFNumber passed by potential previous calls to generator’s preview callback for the same document with kQLPreviewPropertyCursorKey.
Use this value to provide more of the preview content.
See also Apple’s documentation