完全支持双层PDF 开源的PDF分离与合并软件 C 版本 转自codeproject

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• 原文出自: http://www.codeproject.com/csharp/giospdfsplittermerger.asp
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• GIOS PDF Splitter and Merger
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• Download C# .NET 1.1 project with source code - 36.8 Kb

This is a screenshot of the GIOS PDF splitter and merger v1.0, the first open source PDF splitter and merger tool written in C# .NET.

Introduction

After the success of the GIOS PDF .NET library released on April, 2005, I decided to invest more of my time for the community. Extending and improving the PDF library was one of the things I could do, but what about the new features to be added?

Well, I have to thank my friend Charles. Last month we were discussing about the new features to be added to the PDF library. He said: "if you need another challenge, how about developing a PDF merger program?" His words rocked me: There is no free Windows application that does this. Moreover, there is no open source project written in C#. So, I took the giant PDF reference by Acrobat for evaluating the possibility of doing that.

Background

Reading Adobe's Portable Document Format (PDF) Specification, Third Edition, Version 1.4, Section 3.4, you will find that a PDF is made of:

• Header, which gives information about the kind of file it is (typically %PDF