C#中的WebBorwser清除指定域名下的Cookie

private void clearCookie(){string path = Environment.GetFolderPath(Environment.SpecialFolder.Cookies);string[] cookies = Directory.GetFiles(path);try{foreach (string file in cookies){StreamReader sr = File.OpenText(file);string content = sr.ReadToEnd();sr.Close();sr = null;if (content.IndexOf("liaofuwu.com") >= 0){File.Delete(file);Log.WriteLog("MyBroswer::clearCookie", "删除cookie文件：{0}", file);}else{continue;}}}catch (Exception ex){Log.WriteErrorLog("MyBrowser::clearCookie", ex.Message);}}