iosGetEvent - check for a event and deliver if at least one is present
iosGetEvent
This command checks the event queue of the script to see if there are any
outstanding notifications, both from your application or from others.
If one ore more than one event is queued, the first one is returned in a
list:
id pv-name eventmask ?...?
| eventmask | optional list elemvent |
|---|
| change | value of object |
| access | 0 for clear access; 1 for get access |
| message | message data |
| notify | n.a. |
| config | n.a. |
| alarm | n.a. |
Read more about values for eventmask and event processing.
The result is a list described above. If no event was available, an empty list
is returned. In no case the command blocks your application.
Copyright © 1999 Gerhard Hintermayer.