SGS_INCHO

Inquire number of choices

ACTION:
Inquires the number of choices available on the currently selected workstation.
CALL:
SGS_INCHO(nchoic,n)
INPUT PARAMETERS:

nchoic

I

The SGS choice device number: 1 or greater is a GKS choice device, 0 is the command terminal.

OUTPUT PARAMETERS:

n

I

The number of choices available on the selected device. If no such device exists, zero will be returned.

GKS EFFECT:
Inquires only.