PDF Viewer C# Code from codeproject

一个基于c#的pdf开源sdk和demo，非常好用-One of the pdf-based c# open-source sdk and the demo, very easy to use

The purpose of the PDFSharp libray is to create PDF files from scratch as easy as possible. The methods it exposes are symilar to the GDI+ ones in .NET. So you can imagine that writing a PDF file is like drawing stuff (text, shapes, images) in the Pa

C#操作PDF,可以创建新的PDF，修改PDF等-PdfSharp to operation pdf file