Socket实例，大家也许有用，我真的不想再写了，还非让写够20字。-Socket example, everyone may be useful, I really do not want to write, and also non-written enough to allow 20 characters.

C#经典的设计模式，里面有20多种模式，利用这种模式提高你的编程技术-C# classic design patterns, there are over 20 kinds of mode, use this mode to improve your programming skills

KTV点歌系统，Csharp编写，体积较大，商业级代码，市价卖2万多。功能很强大，对于初学者和高手都有很高借鉴价值，也可以做为毕业论文，毕业课题使用。-KTV VOD system, Csharp written larger, commercial-grade code, the market price to sell more than 20,000.