tree_view->priv->row_separator_func = func;
tree_view->priv->row_separator_data = data;
tree_view->priv->row_separator_destroy = destroy;
+
+ /* Have the tree recalculate heights */
+ _gtk_rbtree_mark_invalid (tree_view->priv->tree);
+ gtk_widget_queue_resize (GTK_WIDGET (tree_view));
}