visual basic的一些实用例子100个，01异形窗体、02图形窗体、03定制自己的提示栏、04个人助手界面的实现、05多边形窗口、06制作屏幕放大镜等-Some practical examples of visual basic, 01 special-shaped form, 02 graphic form, customize their prompt bar 03, 04 interface to achieve personal assistant, 05 polygon wi