private void OnEnable()
 {
     LoadPrefs();
     painter = (GObjectPainter)target;
     InitFilterClasses();
     Tools.hidden = true;
 }
 private void OnEnable()
 {
     GCommon.RegisterBeginRender(OnBeginRender);
     GCommon.RegisterBeginRenderSRP(OnBeginRenderSRP);
     SceneView.duringSceneGui += DuringSceneGUI;
     LoadPrefs();
     painter      = (GObjectPainter)target;
     Tools.hidden = true;
 }