private bool disposedValue = false; // To detect redundant calls

        protected virtual void Dispose(bool disposing)
        {
            lock (this)
            {
                if (!disposedValue)
                {
                    if (disposing)
                    {
                    }

                    // TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
                    // TODO: set large fields to null.
                    handle.Close();
                    handle = null;

                    disposedValue = true;
                }
            }
        }
 internal BodyTracker(BodyTrackingNativeMethods.k4abt_tracker_t handle)
 {
     this.handle = handle;
 }