PDFsharp is an open source GitHub Project Repository .NET library for processing PDF files. It is written in C#. The library can be used to create, render, print, split, merge, modify, and extract text and meta-data of PDF files. MSDN Code - "Pdf writer pipelinecomponent for BizTalk" c-sharpcorner.com How To Merge Multiple PDF Files With Page Number Using PdfSharp...
Features include images with transparency (color mask, monochrome mask, alpha mask), font embedding and subsetting, and graphical implementation based either on GDI+ or WPF.
See also
List of PDF software
References