Video Capture SDK .Net usage without window

private VideoCaptureCore videoCapture;

private async Task SampleMethod()
{
  if (videoCapture == null)
  {
    videoCapture = new VideoCaptureCore();

    videoCapture.Video_CaptureDevice = new VideoCaptureSource("camera name");
    videoCapture.Video_CaptureDevice.Format_UseBest = true;

    videoCapture.Audio_CaptureDevice = new AudioCaptureSource("mic name");
    videoCapture.Audio_CaptureDevice.Format_UseBest = true;
	
    videoCapture.Video_Renderer.VideoRenderer = VideoRendererMode.None;

    videoCapture.Mode = VideoCaptureMode.VideoCapture;
    videoCapture.Output_Format = new MP4Output();

    videoCapture.Output_Filename = "output.mp4";

    await videoCapture.StartAsync();
  }
  else
  {
    await videoCapture.StopAsync();
	
    videoCapture.Dispose();
    videoCapture = null;
  }
}