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| PdfSharp (1.32.2608) - Modify and Combine https://forum.pdfsharp.net/viewtopic.php?f=2&t=2139 |
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| Author: | ToniM [ Thu Sep 13, 2012 6:39 am ] |
| Post subject: | PdfSharp (1.32.2608) - Modify and Combine |
Hi guys, i got stuck while trying following procedure, maybe someone knows the solution (or maybe its a feature request for the next version): - open PDF and modify it (or multiple PDFs; but dont save to a new file!) - when ready modifing, concatenate all the modified pages to a new PDF document. Modifing works good, but when i try to copy/clone the modified pages to the new document, i got an error in PdfPages.cs:ImportExternalPage. Here my question: Why isnt it allowed to make a clone of a modified page? Is there a special reason i dont know? Thanks in advance! BR Toni |
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| Author: | Thomas Hoevel [ Thu Sep 13, 2012 8:23 am ] |
| Post subject: | Re: PdfSharp (1.32.2608) - Modify and Combine |
Hi! ToniM wrote: Why isnt it allowed to make a clone of a modified page? I don't know. I presume it's more complicated because some work is done when the file is saved - these steps would have to be done before cloning.You can save to a MemoryStream, load from the MemoryStream - and then you have your modified pages in a clean state and ready to be cloned. |
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| Author: | ToniM [ Thu Sep 13, 2012 8:54 am ] |
| Post subject: | Re: PdfSharp (1.32.2608) - Modify and Combine |
Thanks for your fast reply. I tried just to comment those 2 lines and its working or lets say, i cant see a mistake on the output. i had a rough look on the PdfDocument.cs:Save and here is what i found out: - encryption will be skipped - some document info fields (e.g. VersionInfo, Creator, Producer, ...) - external fonts - ... Anyway, thanks for suggestion of the secure way. BR Martin |
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