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| Editing a PDFSharp cretaed PDF https://forum.pdfsharp.net/viewtopic.php?f=2&t=1645 |
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| Author: | vaughnis [ Wed May 04, 2011 9:06 pm ] |
| Post subject: | Editing a PDFSharp cretaed PDF |
Hi I am using PDFSharp v1.31 to create PDFs based on user input. This work well. Later in the process I need to open this PDF and add a Case Number. When I try to save the PDF after writing the case number I get the message: 'The document cannot be modified.' Is it possible to alter a PDFSharp created docuemnt once it has been saved originally? Thanks |
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| Author: | Thomas Hoevel [ Thu May 05, 2011 7:03 am ] |
| Post subject: | Re: Editing a PDFSharp cretaed PDF |
Hi! Do you open the document with the Modify flag? |
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| Author: | vaughnis [ Tue May 10, 2011 5:56 pm ] |
| Post subject: | Re: Editing a PDFSharp cretaed PDF |
Sorry for the delay i've been out of touch for several days. Ashamed to say I did not try opening with Modify flag. Will give it a try. Thanks |
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| Author: | vaughnis [ Tue May 10, 2011 6:28 pm ] |
| Post subject: | Re: Editing a PDFSharp cretaed PDF |
Opening with Modify flag does allow mw to edit the document. However, I now receive the message: 'Object type transformation must not be done with direct objects.' |
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| Author: | Thomas Hoevel [ Wed May 11, 2011 10:13 am ] |
| Post subject: | Re: Editing a PDFSharp cretaed PDF |
Ignore that message - comes in DEBUG build only. |
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| Author: | vaughnis [ Mon Jun 06, 2011 8:17 pm ] |
| Post subject: | Re: Editing a PDFSharp cretaed PDF |
I have been ignoring this on my development pc without an issue. However I just deployed the site to our test web server and it appears that the page is hanging up where it opens the previously created pdf and writes a case number in the pdf document. The code follows: FinalDoc = PdfSharp.Pdf.IO.PdfReader.Open(ConfigurationManager.AppSettings("UploadTemp") & "\" & lcEFileRec.FileName, PdfSharp.Pdf.IO.PdfDocumentOpenMode.Modify) page = FinalDoc.Pages(0) gfx = XGraphics.FromPdfPage(page) gfx.DrawString(lcCase.CaseNumber, fontTextBold, XBrushes.Black, New XRect(360, 115, page.Width.Point, page.Height.Point), XStringFormats.TopLeft) FinalDoc.Save(ConfigurationManager.AppSettings("UploadTemp") & "\" & lcEFileRec.FileName) If I comment out the line: gfx.DrawString(lcCase.CaseNumber, fontTextBold, XBrushes.Black, New XRect(360, 115, page.Width.Point, page.Height.Point), XStringFormats.TopLeft) it works. Any ideas? |
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| Author: | Thomas Hoevel [ Tue Jun 07, 2011 7:19 am ] |
| Post subject: | Re: Editing a PDFSharp cretaed PDF |
Use a RELEASE build of the DLLs or remove the Debug.Assert. |
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| Author: | vaughnis [ Tue Jun 07, 2011 4:59 pm ] |
| Post subject: | Re: Editing a PDFSharp cretaed PDF |
Thought that I was using the release build. I have many lines of code like the one causing problems on another page and it works fine. The only difference is that one creates a new docuument the other opens an existing document(the one previously created) to add something to it. Maybe I'm confused by using the Release Build. When I build my project I have Release specifed on the compile tab of the project properties window. |
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