available-messages
This function returns TRUE if there are any messages queued for a specified message group, or for all message groups.
Location
web\method\message.i
Parameters
INPUT p_grp AS CHARACTER
A known message group into which messages may have been queued with the queue-message API function. The Unknown value (?) matches all message groups.
Returns
LOGICAL
Notes
All queued messages are output after the Web object specified in the URL returns. As such, messages do not remain queued between requests.
Examples
See the PrintVars procedure in web\support\printval.p and the main block in web\objects\web-disp.p.
See also