1.webBrowser的浏览器为ie. 2.通过清除ie缓存即可. 3.代码调用如下: public enum ShowCommands : int { SW_HIDE = , SW_SHOWNORMAL = , SW_NORMAL = , SW_SHOWMINIMIZED = , SW_SHOWMAXIMIZED = , SW_MAXIMIZE = , SW_SHOWNOACTIVATE = , SW_SHOW = , SW_MINIMIZE = , SW_SHOWMINNOACTIVE =