With fix, we implemented the GetPageIndex method for the PdfPage class. This method returns the index of PdfPage in the PdfDocument.Pages collection.
Usability - There is no API to determine the index of a PDF page in a document
Answers approved by DevExpress Support
We have addressed the issue described in this ticket and will include a fix in our next maintenance update. Should you need to apply our fix prior to official release, you can request a hotfix here.
Note: Hotfixes may be unavailable for betas/updates set for release within a week.