VB获取和控制网页滚动条，请确保代码里所定义的网址可以访问，否则滚动条控制时会出错。正常情况下，当窗体的控件加载完网址后，可通过窗口中的上、下、左、右控制按钮来控制网页的上下左右滚动，每点击一次，网页就相应的滚动一次，如演示截图所示。-VB web access and control the scroll bar, make sure that the code defined URLs can be accessed, or an error occurs when the scroll bar control. Under normal circumstances, when the form s controls finished loading site, through the window, down, left and right control buttons to control scrolling down the page about every click, the page on the appropriate scroll once, such as Demo Screenshots shown.