public override bool OnContextItemSelected(IMenuItem item)
 {
     if (item.TitleFormatted.ToS() == "Rename")
     {
         // Edit
         _presenter.EditPortfolio(item.ItemId);
         return(true);
     }
     if (item.TitleFormatted.ToS() == "Delete")
     {
         // Delete
         _presenter.DeletePortfolio(item.ItemId);
         _presenter.RefreshPortfolioList();
         return(true);
     }
     return(base.OnContextItemSelected(item));
 }