在Windows编程中，向文本框控件、列表控件、按钮控件等是我们最常接触的控件了。但是在VB中这些控件有时无法实现我们的需要。在这时，我们只要简单的利用Windows API函数就可以扩充这些控件的功能了。-In Windows programming, to the text box control, list control, button control so that we control the most exposure. But sometimes these controls in VB can not fulfill our needs. At this point, we simply use Windows API function can extend the functionality of these controls.