private async Task GetViewSize() { GetvideoParamResult videoParamResult; do { videoParamResult = await _sdkService.GetVideoStreamsParam(); Console.WriteLine($"count:{videoParamResult.m_count}"); foreach (var videoParam in videoParamResult.m_VideoParams) { Console.WriteLine($"width:{videoParam.m_nVideoWidth}, height:{videoParam.m_nVideoHeight}"); } Thread.Sleep(2000); } while (videoParamResult.m_count != _viewLayoutService.ViewFrameList.Count); }