将一些有用的vb代码写成com组件，然后在vbvc中调用。-Some useful com component written in vb code and then call vbvc.

ActiveX_OLECOM的基本知识。。对初学者很有必要理解的。。。我觉得是必不可少的课程-ActiveX_OLECOM the basics. . Necessary for beginners to understand. . . I think it is essential to the curriculum. .