Vfr/reader when to read a page
- by juliet
I downloaded vfr reader soure code on github.
I am reading it, I found
when need show a page of PDF, it will call showdocument method
in showdocument method, it will new a readercontentview
in readercontentview it will new a readercontentpage which has a citiedlayer delegate method called drawlayer:incontext
I don't understand when and how to call this method, because there is no update for the readercontentview.