this a client server application, the client send a word to the server so the server search for the word in all the files in certain directory,and thin return the result of the search to the client, the client can also replace a word with another one

VB.NET的记事本查找替换功能，是个不错的工具，有兴趣的可以看下-Search and replace Notepad VB.NET function, is a good tool, interested may have a look