- Type: one of the values below
- This attribute indicates which element to the right or below the
splittershould be resized when the splitter is repositioned.
- The element immediately to the right or below the splitter resizes.
- The element that is the farthest away from the splitter to the right or below the splitter resizes.
- The elements to the right or below the splitter do not change size (unless they are flexible) when the splitter is dragged, but instead the entire container changes size.
- The closest flexible element resizes.