用c#或vb.net实现生成，修改pdf文件的源码，可以实现类似acrobat reader的功能，开发工具vs2005.net 语言C#,源码版本:1.2版-PDFsharp is a .NET library for creating and modifying Adobe PDF documents programmatically from any .NET language like C# or VB.NET. PDFsharp defines classes for the obje