From J Wiki
Splitter is a splitter control for J. A splitter is drawn in an isigraph control on a J form.
Documentation - for using splitter in a application
Design Issues and Constraints
- edges adjacent to a splitter must be fixed (not move or scale)
- a splitter will resize controls only to the point where any control has zero size
- after a form is resized, the control positions are reset by wd
Contributed by Chris Burke.