Sets whether self interpolates its size when changing the visible child.
If TRUE, the squeezer will interpolate its size between the one of the
previous visible child and the one of the new visible child, according to the
set transition duration and the orientation, e.g. if the squeezer is
horizontal, it will interpolate the its height.
Sets whether self interpolates its size when changing the visible child.
If TRUE, the squeezer will interpolate its size between the one of the previous visible child and the one of the new visible child, according to the set transition duration and the orientation, e.g. if the squeezer is horizontal, it will interpolate the its height.