/// <summary>回调函数得到异步线程的返回结果</summary>
        /// <param name="iAsyncResult"></param>
        private void RefreshCacheCallBack(IAsyncResult iAsyncResult)
        {
            AsyncResult async = (AsyncResult)iAsyncResult;

            AsyncMethod.AsyncRefreshCacheDelegate asyncDelegate = (AsyncMethod.AsyncRefreshCacheDelegate)async.AsyncDelegate;

            int iResult = (int)asyncDelegate.EndInvoke(iAsyncResult);

            if (iResult == 0)
            {
                // 执行成功
                Dictionary = this.provider.FindAll(string.Empty, 0);
            }
            else
            {
                // 执行失败
            }
        }
        /// <summary>刷新缓存信息</summary>
        public int RefreshCache()
        {
            AsyncMethod.AsyncRefreshCacheDelegate asyncDelegate = delegate()
            {
                foreach (ApplicationFeatureInfo cacheItem in Dictionary)
                {
                    if (string.IsNullOrEmpty(cacheItem.AuthorizationReadScopeObjectText))
                    {
                        // 此段代码目的是为了初始化授权对象
                    }
                }

                return(0);
            };

            IAsyncResult result = asyncDelegate.BeginInvoke(new AsyncCallback(RefreshCacheCallBack), null);

            return(0);
        }