[ Version ( since = "1.10" ) ]
public void insert_child_above (Actor child, Actor? sibling)
Inserts child into the list of children of this, above another child of
this or, if sibling is null, above all the children of
this.
This function will acquire a reference on child that will only be released when calling
remove_child.
This function will not take into consideration the depth of child.
This function will emit the actor_added signal on this.
| this |
a Actor |
| child |
a Actor |
| sibling |
a child of this, or |