Type Entry: Reactor Object

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Type Entry: Reactor Object

Name

Reactor Object

Class

Runtime class / Visual LISP extension object

Description

Object representing a registered event source and its associated callback set.

Valid Operations

  • construction by vlr-*reactor constructor functions
  • enabling and disabling with vlr-add and vlr-remove
  • interrogation via vlr-type, vlr-data, vlr-reactions, and related accessors
  • persistence-related operations in implementations that expose persistent reactors

Compatibility

Part of the Visual LISP extension layer and available only on Windows in Autodesk's platform model.

Notes

  • Autodesk distinguishes transient reactors and persistent reactors.
  • Autodesk documents transient reactors as not surviving drawing closure.
  • Autodesk documents persistent reactors as being stored with the drawing.

Availability

  • AutoCAD 2026: documented (per Autodesk reference page).
  • BricsCAD V26: presumed compatible (no contradicting page found).
  • Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.