'PDFsharp cannot handle this PDF feature introduced with Acrobat 6' error while opening PDF file
I use PDFsharp (v1.32) for merging several PDF files. I open documents using this code: PdfDocument inputDocument = PdfReader.Open(pdfFilePath, PdfDocumentOpenMode.Import); And while opening one document (with PDF version 1.5 (Acrobat 6.x)) I receive an exception: An unhandled exception of type 'PdfSharp.Pdf.IO.PdfReaderException' occurred in PdfSharp.dll Additional information: Cannot handle iref streams. The current implementation of PDFsharp cannot handle this PDF feature introduced with Acrobat 6. What can I do with it? I need to merge all files, I cannot just skip it. I tried to find