AutoCAD 2012 DXF Reference February 2011 © 2011 Autodesk, Inc. All Rights Reserved. Except as otherwise permitted by Autodesk, Inc., this publication, or parts thereof, may not be reproduced in any...... 2 Object and Entity Codes . . . . . . . . . . . . . ..... . . . . . . . . . 2 Group Code Value Types . . . . . . . ....