C＃如何在继续加载网页之前等待网页完成

尝试documentCompleted事件

webBrowser.documentCompleted += new WebBrowserdocumentCompletedEventHandler(webBrowser_documentCompleted);void webBrowser_documentCompleted(object sender, WebBrowserdocumentCompletedEventArgs e){    webBrowser.document.GetElementById("product").SetAttribute("value", product);    webBrowser.document.GetElementById("version").SetAttribute("value", version);    webBrowser.document.GetElementById("commit").InvokeMember("click");}