The parent of the item.
This property expresses a tree structure of items. If the parent is NULL
the item is added to the root level of the content. The item parent can only be set once. When the object is invalidated, the item parent is set to NULL
and still cannot be reset.
Since 1.23
@property item_parent { get {} set {} values { parent: Efl.Ui.Item; } }
Efl_Ui_Item *efl_ui_item_parent_get(const Eo *obj); void efl_ui_item_parent_set(Eo *obj, Efl_Ui_Item *parent);