void gtk_overlay_reorder_overlay ( GtkOverlay* overlay, GtkWidget* child, int index_ )
child to a new
index in the list of
The list contains overlays in the order that these were
overlay by default. See also
A widget’s index in the
overlay children list determines which order
the children are drawn if they overlap. The first child is drawn at
the bottom. It also affects the default focus chain order.
The data is owned by the caller of the function.
The new index for
childin the list of overlay children of
overlay, starting from 0. If negative, indicates the end of the list.