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 additional in text box, list box, combo box or the MDI form scrollbar