c# 后台隐式使用webBrowser

        private void button1_Click(objectsender, EventArgs e)
        {
            string urlPath = "https://www.cnblogs.com";//
            HtmlDocument html =GetHtmlDocument(urlPath);
            textBox1.Text =html.Body.InnerHtml;
        }

        //不使用控件中加载html文档
        private HtmlDocument GetHtmlDocument(stringhtmlpath)
        {
            WebBrowser getInfoWebBrowser = newWebBrowser();
            //是否弹出js出错对话框 true 标示不弹对话框
            getInfoWebBrowser.ScriptErrorsSuppressed = true;
            //把从网络下载的html流赋值给 WebBrowser
            /** WebRequest.Create(htmlpath).GetResponse().GetResponseStream();
             * 从指定网址下载资源
             * 
             */getInfoWebBrowser.DocumentStream =WebRequest.Create(htmlpath).GetResponse().GetResponseStream();
            HtmlDocument html =getInfoWebBrowser.Document;
            //让程序处理当前消息 [不可少]
Application.DoEvents();
            //释放资源
getInfoWebBrowser.Dispose();
            returnhtml;
        }