Returns the annotation, if there is one, at the specified point.
- iOS 11.0+
- macOS 10.4+
- Mac Catalyst 13.0+
Use this method for hit-testing based on the current cursor position. If more than one annotation shares the specified point, the frontmost (or topmost) one is returned (the annotations are searched in reverse order of their appearance in the PDF data file). Returns
NULL if there is no annotation at
Specify the point in page space. Page space is a 72 dpi coordinate system with the origin at the lower-left corner of the current page.