According to the XPS specification and the MS API, an XPS file contains a single FDS (FixedDocumentSequence).
A FDS contains one or more FD (FixedDocument)
Each FD contains one or more FP (FixedPages)
I’m puzzled because the Aspose.XPS API doesn’t seem to expose the hierarchy of FDS/FD/FP. What happens if you open and modify an XPS document whose FDS contains more than one FD? Or say you want to edit the second FD in a FDS? Or extend a FDS using multiple FD? Is this possible?