private IEnumerator LoadVideoList()
 {
     string path = NRealTool.GetNrealResPath() + "/MultiScreenVideoList/MultiScreenVideoConfig.xml";
     WWW www = new WWW(path);
     yield return www;
     if (www.isDone && string.IsNullOrEmpty(www.error))
     {
         videoConfig = XmlSerializeHelper.DeSerialize<VideoConfig>(www.text);
         CreateVideoItems();
         www.Dispose();
         www = null;
     }
     else
     {
         NRDebug.LogError(www.error);
     }
 }
 private void OnNetConnectError()
 {
     NetState = ConnectState.Error;
     NRDebug.LogError("OnNetConnectError");
 }