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  1. ripuz
    Hi, I want to prevent a layer from being plotted and I have found a few ways to do this but which way is the best? 1. (command "_.-layer" "p" "n" "LAYERNAME" "") 2. (defun PlotLayer2 (layerName bool / en output) (if (setq en (tblobjname "LAYER" layerName)) (progn (entmod (subst (cons 290 (if bool 1 0)) (assoc 290 (entget en)) (entget en))) (setq output T) ) ) output ) 3. (defun PlotLayer3 (layerName bool / acadObj doc layers layer output) (setq acadObj (vlax-get-acad-object)) (setq doc (vla-get-activedocument acadObj)) (setq layers (vla-get-layers doc)) (setq layer (vl-catch-all-apply 'vla-item (list layers layerName))) (if (not (vl-catch-all-error-p layer)) (progn (vla-put-plottable layer (if bool :vlax-true :vlax-false)) (vlax-release-object layer) (setq output T) ) ) (mapcar 'vlax-release-object (list layers doc acadObj)) output ) I know that it doesn´t play a big role in this example, but which is the best programming technique theoretically? Is it needed to release the objects in PlotLayer3? Thanks in advance!
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