reorderChildAfter
fun reorderChildAfter(child: <Error class: unknown class>, sibling: <Error class: unknown class>? = null)
Moves @child to the position after @sibling in the list of children.
If @sibling is NULL, moves @child to the first position.
Parameters
child
the widget to move, must be a child of @self
sibling
the sibling to move @child after