chavlji Posted March 1, 2009 Share Posted March 1, 2009 Hello. I set the following reactor, to call Callback whenever user PANs then viewport: (defun CallBack(event parameter) (If (eq (car parameter) "VIEWCTR") (princ "Pan!") ) ) (if (not PanReactor) (setq PanReactor (vlr-sysvar-reactor nil '((:vlr-sysvarchanged . CallBack))) ) ) However it never writes "Pan!". It seems to me that changing "VIEWCTR" doesnt even reacts to the following reactor... so how to trap PAN and ZOOM actions? Quote Link to comment Share on other sites More sharing options...
ASMI Posted March 1, 2009 Share Posted March 1, 2009 Reactors doesn't work with some read only variables. For example DATE, CMDACTIVE or VIEWCTR. Quote Link to comment Share on other sites More sharing options...
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