Emits the ::row-has-child-toggled signal on tree_model.
See signalGtk.TreeModel::row-has-child-toggled.
This should be called by models after the child state of a node changes.
a gtk.tree_path.TreePath pointing to the changed row
a valid gtk.tree_iter.TreeIter pointing to the changed row
Emits the ::row-has-child-toggled signal on tree_model.
See signalGtk.TreeModel::row-has-child-toggled.
This should be called by models after the child state of a node changes.