VF系统开发代码，表单设计器的最新命令语言。-VF system development code, the form designer of the latest command language.

第六章 高级界面开发5表单元素事件 主要介绍高级界面开发表单元素部分代码-Chapter 5 Advanced interface development form the main elements of the incident, introduced the development of high-level interface elements form part of the code