C# 获取当前网页HTML

 //引用COM组件
 //Microsoft HTML Object Library
 //Microsoft Internet Controls

             SHDocVw.ShellWindows shellWindows = new SHDocVw.ShellWindowsClass();
             string filename;
             foreach (SHDocVw.InternetExplorer ie in shellWindows)
             {
                 filename = Path.GetFileNameWithoutExtension(ie.FullName).ToLower();
                 if (filename.Equals("iexplore"))
                 {
                     SetText(string.Format("Web Site　 : {0}", ie.LocationURL));
                     mshtml.IHTMLDocument2 htmlDoc = ie.Document as mshtml.IHTMLDocument2;
                     SetText(string.Format("　 Document Snippet: {0}",
                     ((htmlDoc != null) ? htmlDoc.body.outerHTML
                     : "***Failed***")));
                     SetText(string.Format("{0}{0}", Environment.NewLine));
                 }
             }