VB鼠标滑轮的支持，很好的工具，给VB开发带来方便-VB mouse wheel support, a good tool to bring convenience to the VB development

vb支持鼠标滑轮的源码，即在运行时可以通过滑动滑轮使得显示的内容自动滚动-vb mouse wheel support source code, that can be run by a sliding pulley so that the display content automatically scroll