PDFsharp bugs/errors/exception

PdfDocument inputDocument = PdfReader.Open(file.FullName, PdfDocumentOpenMode.Import);

Cannot handle iref streams. The current implementation of PDFsharp cannot handle this PDF feature introduced with Acrobat 6.

http://forum.pdfsharp.net/viewtopic.php?p=2069#p2069 (greate)

http://pdfsharp.codeplex.com/WorkItem/View.aspx?WorkItemId=8466

http://www.pdfsharp.net/wiki/IRef_Streams.ashx

Merge PDFs using ITextSharp

http://alex.buayacorp.com/merge-pdf-files-with-itext-and-net.html (greate)

http://geekswithblogs.net/bsherwin/archive/2007/06/29/113566.aspx

http://sourceforge.net/projects/itextsharp/

http://www.cnblogs.com/lovebanyi/archive/2008/05/19/1202568.html

newDocument.Close();

Unbalanced begin/end text operators.

CameronHigh_A1A1a1.pdf

Object reference not set to an instance of an object.