说明：  vb.net学习教程:visual basic.net入门，工程管理，visual basic.net语言体系结构，visual basic.net的常用控件，应用程序界面，visual basic.net的ODP结构。
(vb.net Learning course: Visual basic.net Introduction, project management, visual basic.net Language architecture, visual basic.net Common control, application program interface, visual basic.net ODP structure.)