You are not telling us much either. We need the complete stack trace and the PDF.
Paulo On Sun, Mar 11, 2012 at 3:41 PM, Al Jones <[email protected]> wrote: > I thought this would be fairly direct given the dll, but obviously not. I'm > trying to extract the author and title from several pdf files. I know that > some may have trash, but I'm willing to put up with whatever I can get. > However, I'm not even getting there and would appreciate some ideas. The > following is a part of a shareware program I'm working on, written in VB > 2005 and it aborts on the first call to dimension the pdfreader. At this > point strfile contains "G:\abBooks\Derren Brown - Absolute Magic.pdf" > > itextsharp.dll ver 5.2.0.0 has been added as a reference and points to the > itextsharp.dll which is resident in my project directory. > > The error being returned is: > > An unhandled exception of type 'System.NullReferenceException' > occurred in itextsharp.dll. > > Additional information: Object reference not set to an instance > of an object. > > > > If FileExt = ".pdf" Then > > Dim reader As New PdfReader(strFile) > > Dim infodict As New Dictionary(Of String, String) > > infodict = reader.Info > > Try > > If strAuthors = Nothing Then strAuthors = > FindAuthors(infodict("Author")) > > Catch > > PrintLine(intBOLog, "Missing/invalid PDF author: " & > tempFile) > > End Try > > Try > > If strAuthors = Nothing Then strTitle = > infodict("Title") > > Catch > > PrintLine(intBOLog, "Missing/invalid PDF Title: " & > tempFile) > > End Try > > reader.Close() > > reader = Nothing > > infodict = Nothing > > End If > > > > I really hate errors that don't tell me anything and this one tells *me* > nothing. Can anyone provide some guidance, please? > > //al ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions iText(R) is a registered trademark of 1T3XT BVBA. Many questions posted to this list can (and will) be answered with a reference to the iText book: http://www.itextpdf.com/book/ Please check the keywords list before you ask for examples: http://itextpdf.com/themes/keywords.php
