1677| 6
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新建图层,完成如下功能 |
2明经币
最佳答案(defun c:nt (/ OldCmdecho layername)
(setq OldCmdecho (getvar "cmdecho"))
(setvar "cmdecho" 0)
(while (not (setq layername (cdr (assoc 1 (entget (car (nentselp "\n 请选择图层名称:"))))))))
(if (= (tblobjname "LAYER" layername) nil)
(progn
(entmake
(list
'(0 . "LAYER")
'(100 . "AcDbSymbolTableRecord")
'(100 . "AcDbLayerTableRecor ...
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