child_row[model.link_id] = i;
child_row[model.canvas] = static_cast<Canvas::Handle>(row[model.canvas]);
child_row[model.name] = linkable->link_local_name(i);
child_row[model.link_id] = i;
child_row[model.canvas] = static_cast<Canvas::Handle>(row[model.canvas]);
child_row[model.name] = linkable->link_local_name(i);