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