说明：  C#为由C和C++衍生出来的面向对象的编程语言。其综合了VB简单的可视化操作和C++的高运行效率，凭借强大的操作能力、优雅的语法风格、便捷的对面向组件编程的支持，成为了.NET开发的首选语言。
(C# is an object-oriented programming language derived from C and C++. It combines the simple visual operation of VB and the high efficiency of C++. It has become the preferred language for.NET development with powerful operation ability, elegant grammar style, and convenient support for face to face component programming.)