PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Thu Mar 29, 2012 6:33 pm 
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Joined: Thu Mar 29, 2012 6:17 pm
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I use the latest version 1.32.2608.0 of PdfSharp-WPF.dll.
I have the same problem as described here: http://stackoverflow.com/questions/6602 ... ed-to-take.
It hangs at the call of PdfReader.Open(path). I have attached a file where this happens.


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o-neuro-untersuchung.rar [103.38 KiB]
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PostPosted: Wed Apr 04, 2012 12:55 pm 
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empira Employee
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Joined: Mon Oct 16, 2006 8:16 am
Posts: 2847
Location: Cologne, Germany
The file "o-neuro-untersuchung.decrypted.pdf" is not decrypted, it's corrupted (I guess some parts were decrypted while some remained unchanged (i.e. encrypted)). PDFsharp hangs while reading the keywords of the document.
Adobe Reader opens the file, but cannot show keywords either.

PDFsharp can open "o-neuro-untersuchung.pdf" - and Adobe Reader can show the keywords for this file.

PdfReader.Open(...) should not hang.
I will ask my boss what we can do about this problem.

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Thomas Hoevel
PDFsharp Team


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PostPosted: Thu Apr 05, 2012 9:09 pm 
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Joined: Thu Mar 29, 2012 6:17 pm
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Thank you.


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PostPosted: Wed Jan 16, 2013 4:25 pm 
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Joined: Wed Jan 16, 2013 3:41 pm
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Hi,

I have the same issue with the attached file when calling "PdfReader.Open(fileName, PdfDocumentOpenMode.ReadOnly)" to extract the keywords. Was there any solution found for this issue? If the reader is unable open the file for some reason, it would be great if it threw an exception instead of hanging.

I also use the version 1.32.2608.0 of PdfSharp-WPF.dll.

Thanks,


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04-22-2010_TEST.zip [132.75 KiB]
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PostPosted: Thu Jan 24, 2013 9:47 pm 
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Joined: Wed Jan 16, 2013 3:41 pm
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Another way to reproduce the issue is to simply create a text file (.txt) and change its extension to .pdf. It is obviously not a valid PDF file, but it would be great if PdfSharp threw an exception instead of hanging forever.
Thanks!


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