اینم از کتابخانه قدرتمند کوئیک پی دی اف برا کار کردن با فایلهای pdf :

Quick.PDF.Library.v7.25.WinAll.Regged-FALLEN

Quick PDF Library is a powerful royalty-free PDF developer SDK - including over 500 functions for use with Delphi, C, C#, C++, ASP, VB6, VB.NET, VBScript, PHP, PowerBASIC, and more, using  either the ActiveX, DLL, LIB or Delphi editions of the library. It's features include
  • Create PDFs on the fly
  • Render and print PDFs
  • Secure, sign and protect PDFs
  • Create, fill and edit PDF forms
  • Split, merge, append and combine PDFs
  • Extract text and images froms PDFs
  • Edit PDFs initial view and document properties
  • Add text, images and barcodes to PDFs
  • Add and manipulate JavaScript, bookmarks and links
  • Support for Annotations, vector graphics, GeoPDF
...and much more
Quick PDF Library's comprehensive set of PDF API functions makes working with PDF files on all levels quick and easy. From basic manipulation of document properties to creating your own PDF viewer and PDF editor — it has all you need.

www.quickpdflibrary.com
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