protected override void Stop()
 {
     base.Stop();
     if(adapter != null)
     {
         adapter.Dispose();
         adapter = null;
     }
 }
 override protected void Start()
 {
     base.Start ();
     if (adapter == null && !String.IsNullOrEmpty(usedPath))
     {
         adapter = new PoseAdapter(
             OSVR.ClientKit.PoseInterface.GetInterface(ClientKit.instance.context, usedPath));
     }
 }