CAD tip # 7381:

Question

CAD
% platform category

How to open another DWG file from LISP?

If you want to open a different DWG drawing from your LISP application, the solution is apparently simple:

(command "_.OPEN" "d:\\drawings\\mydrawing.dwg")

in higher AutoCAD versions use:

(command "_.FILEOPEN" "d:\\drawings\\mydrawing.dwg")

But this method works only in the single document environment (SDI=1). In the default multiple document environment (MDI; SDI=0), this function creates a new document and activates it. But it doesn't pass the filename parameter properly as the command execution returns immediately back to the original document (drawing).

To solve this problem, you can use VisualLISP and the ActiveX interface in AutoCAD. You can invoke the open method for another document with these commands (program control will return to the original document):

(setq acApp (vlax-get-acad-object))
(setq acDocs (vla-get-documents acApp))
(vla-open acDocs "d:/drawings/mydrawing.dwg")

ACAD

* CAD

1.6.2010 24904×

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applies to: AutoCAD ·

See also:
Tip 14056:	How to move blocks in the Z axis to the terrain model surface?
Tip 14027:	3D heart from the heart.
Tip 14017:	Voronoi diagrams in AutoCAD.
Tip 13977:	How to publish a PDF to the same folder as a DWG drawing in AutoCAD?
Tip 13938:	ModDXF - utility for bulk modification/display of internal DXF properties in DWG entities.

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