The function returns the number of requests for starting the
event instance or executing the RPC procedure.
Declaration
INT %GetTriggerQueueLen()
Description
The use of this function depends on the object which
includes ESL script.
If ESL script is placed in the object of Event type that is started
to the change of object value, the function returns the number of requests
to start an event, if the request queue to start the event
is enabled, or -1, if the queue is disabled.
If ESL script is placed in the object of Event type whose parameter
ServerEvent is enabled, or in the object of Picture type, the
function returns the number of pending requests to execute RPC procedures.
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