vlr-lisp-reactor
(vlr-lisp-reactor customData
callbackList)
This function creates and attaches a Lisp
operation reactor to the current drawing, for the command events
specified by callbackList.
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Arguments
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customData
(any valid Lisp data) custom data to be
associated with the reactor object, can be NIL
callbackList (list) list of DottedPair entries, each
DottedPair has the form
(event
. callback)
event : one of
these symbolic constants
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:vlr-lispWillStart
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a Lisp expression is about to
be evaluated
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:vlr-lispEnded
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Lisp expression is has been
finished (on outermost Lisp expression)
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:vlr-lispCancelled
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Lisp expression has been
cancelled
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callback : the
client Lisp side callback function, using 2 arguments :
(defun MyCB ( reactor args
/ ...) ...)
reactor : the lisp
reactor object - #<VLR-Lisp-Reactor>
args : (list)
contains 0...1 arguments, depending on the particular event
:
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:vlr-lispEnded
:vlr-lispCancelled
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0 arguments
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:vlr-lispWillStart
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1 argument
(string)
the first line of the Lisp expression to be
evaluated
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Return
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the reactor object
#<VLR-Lisp-Reactor> or NIL
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Example
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Remarks
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