From Tracker Software PDF SDK
Revision as of 04:47, 20 February 2017 by Dsbot (Automatic page editing by robot)
The property IndexOnPage represents an index of the annotation of the page. If the annotation does not belongs to any page (i.e. it was removed) this property will have value of -1.
HRESULT get_IndexOnPage([out, retval] LONG* nPageIndex);