device->format

device ->format: format*|name, [any]

This method has two modes of operation:

Device device->format: format* Attaches a format object to a device. This implies the graphicals are placed in a two-dimensional grid.
Device device->format: name, value Change an attribute of the associated format object and recompute the layout of the graphicals in the device according to the new format.
See class format for details.

See also
class format