BOTTOM

This value indicates that each row of components should be bottom-justified.

CENTER

This value indicates that each row of components should be centered.

LEFT

This value indicates that the components should be left-aligned.

MIDDLE

This value indicates that the components should be centered horizontally.

RIGHT

This value indicates that the components should be right-aligned.

STRETCH

This value indicates that the components should be stretched horizontally.

TOP

This value indicates that each row of components should be top-justified.