本章的主要是对C#的基础知识进行简要介绍。其中包括.NET fr a mework、Common Language Runtime以及C#的特点等。另外，本章还介绍了Visual Studio 2005的安装及使用，MSDN的安装及使用，命名空间的基本概念。本章的最后还给出了两个简单的实例，分别介绍了控制台应用程序和Windows窗体应用程序的编写。-This chapter mainly C# Basic knowledge to carry out a brief introduction. Including. NET fr a mework, Common Language Runtime, as well as C# Special features. In addition, this chapter also introduced the Visual Studio 2005 installation and use, MSDN installation and use, the basic concept of namespace. Finally, this chapter also gives two simple examples, respectively, introduced the console applications and Windows Forms applications to prepare.