visual C#编写的网络爬虫程序，与用VC写的相比简单了很多，对学习C#网络编程来说很重要！-written in visual C# Web crawler program written in VC compared with the simple use of a lot to learn C# network programming is very important!

lucene,lucene搜索程序编程，在开源搜索引擎应用广泛-effective c++，a very good book