// Draw the hatching
draw_unresolved_period(p, annotation_height, pp.left(), pp.right());
+ if ((int)visible_rows_.size() > max_visible_rows_)
+ owner_->extents_changed(false, true);
+
// Update the maximum row count if needed
max_visible_rows_ = std::max(max_visible_rows_, (int)visible_rows_.size());
}