Sets whether or not @stack will interpolate its size when
changing the visible child. If the interpolate-size property
is set to %TRUE, @stack will interpolate its size between
the current one and the one it'll take after changing the visible-child,
according to the set transition-duration.
Sets whether or not @stack will interpolate its size when changing the visible child. If the interpolate-size property is set to %TRUE, @stack will interpolate its size between the current one and the one it'll take after changing the visible-child, according to the set transition-duration.