public void RegisGlassesPlugOutCallBack(NRGlassesControlPlugOffCallback callback, ulong userdata)
        {
            NativeResult result = NativeApi.NRGlassesControlSetGlassesDisconnectedCallback(m_GlassesControllerHandle, callback, userdata);

            NativeErrorListener.Check(result, this, "RegisGlassesPlugOutCallBack");
        }
 public static extern NativeResult NRGlassesControlSetGlassesDisconnectedCallback(
     UInt64 glasses_control_handle, NRGlassesControlPlugOffCallback data_callback, UInt64 user_data);