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CAD tip CAD tip # 5762:

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If you want to store user data within an AutoCAD drawing, there are several places you can use:
  1. Integer and real values (numbers) can be stored in the user variables USERI1-USERI5 and USERR1-USERR5 (please note that USERS1-USERS5 values are not stored)
  2. Entity-releated data can be stored in XData records of the individual drawing objects
  3. All types of data (incl. binary) can be saved with a drawing using Dictionaries (XRecords) - this is the right place to store user data
  4. String data can be also stored in the drawing properties (user values)
  5. You can also store data in attributes of an inserted block with a fixed name (not recommended)
  6. Session user data (PC-specific) can be stored in the Windows Registry or in the environment variables
All these places are accessible through VisualLISP, VBA, ARX and .NET.
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23.9.2007    9820×  
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this tip shared by ARKANCE experts applies to: AutoCAD ·

See also:
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Tip 14686:Environment variables in AutoCAD.
Tip 14661:How to export an IFC model from Autodesk Forma?
Tip 14630:Extended ASCPOINT - import coordinates from CSV file, including blocks with attributes, GPS coordinates, etc.
Tip 14593:Revit is slow on a new workstation on structural and steel connections projects.
Selected tip: How to export a XML file from AutoCAD?


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