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));
                }
            }