public void Init(TabularModelHandler handler)
        {
            if (form != null && form.Visible)
            {
                form.Close();
            }

            if (Handler != null)
            {
                Handler.ObjectDeleted       -= Handler_ObjectDeleted;
                Handler.Tree.UpdateComplete -= Tree_UpdateComplete;
            }
            Handler = handler;
            Handler.ObjectDeleted       += Handler_ObjectDeleted;
            Handler.Tree.UpdateComplete += Tree_UpdateComplete;

            model      = Handler.Model;
            form       = new VisualizeRelationshipsForm();
            form.Model = model;
        }
 public void Init(TabularModelHandler handler)
 {
     model = handler.Model;
     form  = new VisualizeRelationshipsForm();
 }