ctlWebBrowser.Document.Body.ScrollIntoView（假）;
 

有ScrollIntoView（）的布尔参数为真，以配合在文档的顶部滚动条，并假对准滚动条与所述文档的底部。

MSDN文档在这里：HtmlElement.ScrollIntoView

How can you scroll to the end of a System.Windows.Forms.WebBrowser programmatically?

ctlWebBrowser.Document.Body.ScrollIntoView(false);

The boolean parameter for ScrollIntoView() is true to align the scrollbar with the top of the document, and false to align the scrollbar with the bottom of the document.

MSDN documentation here: HtmlElement.ScrollIntoView