rowSpacing property
Extra height, in pixels, added to every row: each row is
rowHeight + rowSpacing tall, and its content and tree lines are
centred in that height. It is not an empty gap between rows.
Implementation
final double rowSpacing;
Extra height, in pixels, added to every row: each row is
rowHeight + rowSpacing tall, and its content and tree lines are
centred in that height. It is not an empty gap between rows.
final double rowSpacing;