public static void StartBackgowndWorkProcess(IdentifyQueryBackground param)
        {
            try
            {
                if (m_BackgroundWorkerAsync != null)
                {
                    m_BackgroundWorkerAsync.CancelAsync();
                    m_BackgroundWorkerAsync.Abort();
                }
                m_BackgroundWorkerAsync = new WallpaperBgWorker();
                m_BackgroundWorkerAsync.WorkerSupportsCancellation = true;
                m_BackgroundWorkerAsync.DoWork             += new DoWorkEventHandler(BackgroundWorkerAsyncRequest_DoWork);
                m_BackgroundWorkerAsync.RunWorkerCompleted += new RunWorkerCompletedEventHandler(BackgroundWorkerAsyncRequest_RunWorkerCompleted);

                m_BackgroundWorkerAsync.RunWorkerAsync(param);
                dictionaryBag.TryAdd(m_BackgroundWorkerAsync.Key, m_BackgroundWorkerAsync);
            }
            catch (Exception)
            {
            }
        }