public ArrangeLayersController(ArrangeLayersDocument doc)
        {
            _doc     = doc;
            _tempDoc = new ArrangeLayersDocument();
            _tempDoc.CopyFrom(doc);

            Initialize();
        }
    public ArrangeLayersController(ArrangeLayersDocument doc)
    {
      _doc = doc;
      _tempDoc = new ArrangeLayersDocument();
      _tempDoc.CopyFrom(doc);

      Initialize();
    }