VB.Net表单实现滚动条效果的方法,水平、垂直滚动条控件不同于Windows中内部的滚动条或Visual Basic中那些附加在文本框、列表框、组合框或MDI窗体上的滚动条。-Vb.net form realize the scroll bar effect methods,Horizontal and vertical scroll bar control is different from Windows internal scroll bars or Visual Basic those