private void _mediaStream_OnDataWriting(object sender, ref BufferWriteEventArgs args)
        {
            if (!_isTracePost)
            {
                return;
            }

            args.IsAllowed = false;
            _traceLog.Append($"{args.Action},{args.Position},{args.ByteLength}");

            Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { TraceLog.Text = _traceLog.ToString(); });
        }
 private void _testStream_OnDataWriting(object sender, ref BufferWriteEventArgs args)
 {
     Debug.WriteLine($"{args.Action},{args.Position},{args.ByteLength}");
 }