CAD tip # 858:

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	How to find in a macro or LISP if the drawing is opened read-only?
	The `WRITESTAT` variable is equal to 0 if the drawing is read-only (from version 14 onwards). Another method of detecting the "read-only" state of your DWG drawing is the LISP function: `(vlax-get (vla-get-ActiveDocument (vlax-get-acad-object)) 'ReadOnly)`

ACAD14ACAD2000ACLT

* CAD

8.1.2001 5046×

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applies to: AutoCAD 14 · AutoCAD 2000 · AutoCAD LT ·

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CAD tip # 858:

How to find in a macro or LISP if the drawing is opened read-only?