The GASK('VSIZE',
. . . ) routine returns the current vertical dimension, in inches,
of the graphics output area. GASK('VSIZE', . . . ) searches for the
current vertical dimension in the following order:
-
the value selected in
the GSET('VSIZE', . . . ) function
-
the value of the VSIZE=
graphics option
-
the device's default
VSIZE found in the device entry