Sets whether the model should autoexpand.
If set to %TRUE, the model will recursively expand all rows that get added to the model. This can be either rows added by changes to the underlying models or via [method@Gtk.TreeListRow.set_expanded].
%TRUE to make the model autoexpand its rows
See Implementation
Sets whether the model should autoexpand.
If set to %TRUE, the model will recursively expand all rows that get added to the model. This can be either rows added by changes to the underlying models or via [method@Gtk.TreeListRow.set_expanded].