private static void InvokeOnStoppedRecordingVideoToDiskDelegate(VideoCapture.OnStoppedRecordingVideoCallback callback, long hResult)
 {
     callback(VideoCapture.MakeCaptureResult(hResult));
 }
 private static void InvokeOnVideoModeStoppedDelegate(VideoCapture.OnVideoModeStoppedCallback callback, long hResult)
 {
     callback(VideoCapture.MakeCaptureResult(hResult));
 }