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CAD tip CAD tip # 7381:

Question CAD 
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Q - question

How to open another DWG file from LISP?

A - answer 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
100% *  CAD 
1.6.2010    13047×  
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applies to: AutoCAD ·

See also:
Tip 11511:Assigning elevations to 2D contours (isolines).
Tip 11505:Get name of the original Revit BIM model from DWG files in AutoCAD.
Tip 11502:How to detect DWG files created as an export from Autodesk Revit?
Tip 11492:Adding selected numbers in drawing texts - counting numbers (GrSelNum).
Tip 11409:Catalog of all available hatch patterns.


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