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Example 2: Sign and timestamp a PDF file (VC++)  

   #include "stdafx.h"

   #using <mscorlib.dll>
   #import "PDFsign.tlb" no_namespace named_guids 
   using namespace System;

   int _tmain()
   {
	IPDFsignPtr NVsign;	
	::CoInitialize(NULL); 

	NVsign.CreateInstance(__uuidof(PDFsign));

	NVsign->PutCertificateFile("c:\\cert.pfx");
	NVsign->PutCertificatePassword("pwd");

	NVsign->PutTimeStamp( true );
	NVsign->PutTimeServerURL( "http://tsa.neeviaPDF.com/tsa" );

	NVsign->PutX(0);
	NVsign->PutY(0);
	NVsign->PutWidth(6);
	NVsign->PutHeight(2);
	NVsign->PutUnits(1);

	NVsign->PutViewType(2);
	NVsign->PutImage("c:\\stamp.jpg");

	NVsign->PutReason("I am the creator of this document");
	NVsign->PutTextColor("#0000FF");

	NVsign->SignPDF("c:\\in.pdf", "c:\\out.pdf");

	Console::WriteLine(S"Done.");
	return 0;
   }

I was looking for a product that could place watermarks on very large PDF files (some of them over 30 thousand pages) in as less time as possible. After testing many tools I found Neevia PDFstamp. It did the job!

Avi Steinman

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