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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    11772x  
Comments   Tell a friend
applies to: AutoCAD ·

See also:
Tip 11076:Reading 3D point matrix from a CSV file.
Tip 11054:Difference volume (3D solid) between two TIN surfaces (sets of coordinates)
Tip 11025:How to create an axis of two curves? (average curve)
Tip 11017:How to select a DWG object by its internal ID, its "handle"?
Tip 10955:Evaluate VBScript functions from AutoLISP.


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