private void butSenArtnetPoll_Click(object sender, RoutedEventArgs e)
 {
     artnetEngine = new SimpleArtnet.SimpleArtNetEngine(
         (node) => ArtNetDeviceAction(node),
         (buf, offset) => { FastRoutingMatrix.Current.CopyDmxBufferTo(buf, offset); }
         );
     artnetEngine.Start();
 }
 private void butStopArtnetPoll_Click(object sender, RoutedEventArgs e)
 {
     if (artnetEngine == null)
     {
         return;
     }
     artnetEngine.Stop();
     artnetEngine = null;
 }