How to Get Page Number of Pdf While Saving Annotation WinRT APP

how to get current Pdf Page Number .so that can i save annotations.

Did you try: PDFViewCtrl.GetCurrentPage

Not sure how its connected with annotations? Most of annotation work/saving is done by ‘Tools’ code (we provide this source as part of SDK). There are built-in utility functions that import/export annotations via XFDF (which is standard interchange format for PDF annotations).