How to set a PDF version using iTextSharp

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Hello all
I am trying to set PDF version from 1.5 to 1.4 using iTextSharp but unable to set it.
here is my code that I execute

C#

char ch = '4';

           string pdfFile = @"C:\Users\p.kulkarni\Desktop\PDF_Files\OCR.pdf";
           using (PdfReader reader = new PdfReader(pdfFile))
           {

               using (PdfStamper stamper = new PdfStamper(reader, new FileStream(@"D:\KK_T.pdf", FileMode.Create),'4'))
               {
                   stamper.FormFlattening = true;
                   stamper.Writer.PdfVersion = '4';
                   stamper.Writer.SetAtLeastPdfVersion('4');
                   stamper.Writer.SetFullCompression();
                   stamper.Writer.CompressionLevel = PdfStream.BEST_COMPRESSION;

                   //stamper.CompressionLevel = PdfStream.BEST_COMPRESSION;
                   stamper.SetFullCompression();

               }
           }

Can any one help me to sort out the problem ?
any helpful link ?

Posted 15-Apr-14 2:25am

koolprasad2003

Updated 15-Apr-14 2:26am

v2

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Comments

Sunasara Imdadhusen 15-Apr-14 8:27am

Are you getting any error?

koolprasad2003 16-Apr-14 0:40am

No, I am not getting any error but version remains unchanged. After execution the version not changed

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Valery Possoz · Answer 1 · 2014-04-15T11:28:00

Solution 1

Hello,

This is how I do it:

C#

PdfReader reader = new PdfReader(pdfpath);
PdfStamper stamper = new PdfStamper(pdfReader, new FileStream(stampedPdfPath,FileMode.Create));
stamper.setPdfVersion(PdfWriter.PDF_VERSION_1_7);
stamper.close();

Valery.

Posted 15-Apr-14 11:28am

Valery Possoz

Comments

koolprasad2003 16-Apr-14 0:42am

Thanks of the code
I have tried with above code the version set to 1.7, but I want it to set as 1.4, how can I do it ?

Valery Possoz 16-Apr-14 14:17pm

stamper.setPdfVersion(PdfWriter.PDF_VERSION_1_4);