public void Execute(ToolBarButton toolBar)
 {
     switch (toolBar.Id)
     {
     case 1:
         RootEditorViewModel viewModel = new RootEditorViewModel();
         mPageManager.AddPage(viewModel);
         break;
     }
 }
        public void Edit(RootDisplayModel model)
        {
            RootEditorViewModel viewModel = new RootEditorViewModel(model);

            mPageManager.AddPage(viewModel);
        }