IHTMLFontElement::size Property--------------------------------------------------------------------------------Sets or retrieves the font size of the object. SyntaxHRESULT IHTMLFontElement::get_size(long *p);HRESULT IHTMLFontElement::put_size(long v);
去http://www.microsoft.com/windows/ie/authors/?/Windows/ie/authors/Main.htm
看看
熟悉COM,那得花多少时间啊!!!