Returns, as an INTEGER value, the number of lines you can use to display frames. This value omits the space used by the message area and status area.
Note: Does not apply to SpeedScript programming.
Syntax
SCREEN-LINES
Example
Here, a different number of customer records is displayed depending on the number returned by the SCREEN-LINES function:
r-scrnln.p
DEFINE VARIABLE nbrdown AS INTEGER NO-UNDO.
nbrdown = IF SCREEN-LINES > 21 THEN 7 ELSE 6.
FOR EACH Customer NO-LOCK WITH nbrdown DOWN:
DISPLAY Customer.CustNum Customer.Name Customer.Address Customer.City
Customer.State Customer.Country.
END.
