child to a new
position in the list of
The list contains widgets packed #GTK_PACK_START
as well as widgets packed #GTK_PACK_END, in the order that these
widgets were added to
A widget’s position in the
box children list determines where
the widget is packed into
box. A child widget at some position
in the list will be packed just after all other widgets of the
same packing type that appear earlier in the list.
The data is owned by the caller of the method.
The new position for
childin the list of children of
box, starting from 0. If negative, indicates the end of the list.