Release 10.1A: OpenEdge Application Server:
Developing WebSpeed Applications

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:

get-messages

get-message-groups

output-messages

queue-message