先引用COM组建mshtml; 然后处理WebBrowser控件的Navigated事件,代码如下: Code private void webBrowser1_Navigated(object sender, WebBrowserNavigatedEventArgs e) { IHTMLWindow2 win = (IHTMLWindow2)webBrowser1.Document.Window.DomWindow; string s = "window.alert = null;\r\nwindow.confirm = null;\r\nwindow.open = null;\r\nwindow.showModalDialog = null;"; win.execScript(s, "javascript"); } 转载于:https://www.cnblogs.com/hhh/archive/2008/08/18/1270377.html