private void OnSelectedPoseChanged(ChangeEvent <UnityEngine.Object> evt)
        {
            if (Application.isPlaying)
            {
                return;
            }

            if (evt.newValue != null)
            {
                var newPose = evt.newValue as HVRHandPose;
                ThisHand.Pose(newPose.GetPose(IsLeft));
                UpdatePreview(SP_DoPreview.boolValue, false);
            }
            else
            {
                PreviewToggle.SetValueWithoutNotify(false);
                if (PreviewInstance)
                {
                    DestroyImmediate(PreviewInstance);
                }

                _root.schedule.Execute(() =>
                {
                    TrySetToDefault();
                });
            }
        }