NB: More recent documentation for Dyalog APL is available at https://docs.dyalog.com/20.0/.
Description
The BandBorders property specifies whether or not narrow lines are drawn to separate adjacent bands in a CoolBar.
BandBorders is a single number with the value 0 (no lines) or 1 (lines are displayed); the default is 0.
The effect of BandBorders is illustrated below.