A generalized boolean, default value false.
The coclass to use, or
The function get-i-dispatch-source-names returns the source names that are associated with the
i-dispatch interface i-dispatch, which will be used by set-i-dispatch-event-handler.
coclass and all are as described for set-i-dispatch-event-handler.
If you need to call set-i-dispatch-event-handler repeatedly, then it is most efficient to call
get-i-dispatch-source-names once and pass the result source-names to set-i-dispatch-event-handler. This is because set-i-dispatch-event-handler itself calls
get-i-dispatch-source-names if its source-names argument is
LispWorks COM/Automation User Guide and Reference Manual - 14 Feb 2015