When an object is written to a DXF or DWG file, all objects owned by this object are also written out. The deep clone operation also recursively copies every object owned by the cloned object. (See Deep Cloning.) A hard ownership relationship protects the owned object from purge.
- Customization Guide
- DXF Reference
- AutoLISP and DCL
- ObjectARX
- ObjectARX: Developer's Guide
- ObjectARX Introductory Concepts
- Basic Interaction with AutoCAD
- Custom Objects
- Proxy Objects
- Object Enablers
- Deriving a Custom ObjectARX Class
- Deriving from AcDbObject
- Overriding AcDbObject Virtual Functions
- Implementing Member Functions
- Filing Objects to DWG and DXF Files
- Object References
- Ownership References
- Pointer References
- Long Transaction Issues for Custom Objects
- Purge
- Undo and Redo
- subErase, subOpen, subClose, and subCancel
- Example of a Custom Object Class
- Object Version Support
- Deriving from AcDbEntity
- Advanced Topics
- ObjectARX Graphics, Geometry, and Boundary Representation Libraries
- ObjectARX: Reference Guide
- ObjectARX: Release Notes
- ObjectARX: Developer's Guide