/// <summary>
        /// 选择视频事件
        /// </summary>
        private void ExecuteSelectVideoCommand()
        {
            if (isDelogo)
            {
                eventAggregator.GetEvent <MessageEvent>().Publish(DictionaryResource.GetString("TipWaitTaskFinished"));
                return;
            }

            VideoPath = DialogUtils.SelectVideoFile();
        }