public void GetVideo() { videoInfoView = videoInfoService.GetVideoView(); if (videoInfoView == null) { LogManager.Debug(Tag, "VideoInfoView is null."); return; } videoSections = videoInfoService.GetVideoSections(true); if (videoSections == null) { LogManager.Debug(Tag, "videoSections is not exist."); videoSections = new List <VideoSection> { new VideoSection { Id = 0, Title = "default", IsSelected = true, VideoPages = videoInfoService.GetVideoPages() } }; } // 将所有视频设置为选中 foreach (VideoSection section in videoSections) { foreach (var item in section.VideoPages) { item.IsSelected = true; } } }