& Construction

Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
& Manufacturing

Professional CAD/CAM tools built on Inventor and AutoCAD
Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
Professional CAD/CAM tools built on Inventor and AutoCAD
Autodesk Support
Jan 9, 2025
Products and versions covered
To enable multiple selections by clicking them with the mouse:
Some third-party applications and LISP routines may set the PICKADD variable to 0. In AutoCAD 2016 and newer releases, the System Variable Monitor can be used to configure a list of system variables whose modifications cause an alert. PICKADD can be monitored to know when the setting changes, and is in the list by default. To set the System Variable Monitor to notify if this variable changes:
If none of the previous fixes the issue, select all the objects in the drawing and copy them to a new file.
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