Function Entry: ARXUNLOAD

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Function Entry: ARXUNLOAD

Name

arxunload

Class

Application-handling function

Syntax

(arxunload appname)

Arguments and Values

  • appname: ObjectARX application designator

Autodesk documents the actual signature as: 

(arxunload application [onfailure])

with:

  • application — string naming an application previously loaded with arxload
  • onfailure — expression to evaluate if unloading fails

Description

Unloads an ObjectARX application.

Return Values

String naming the application if successful.

If unloading fails and onfailure is supplied, Autodesk documents that the value of onfailure is returned; otherwise an error is reported.

Side Effects

Removes host extension code from the running CAD session.

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.

Notes

  • Autodesk documents that locked ObjectARX applications cannot be unloaded, and that they are locked by default.
  • Autodesk documents that the extension may be omitted: .arx or .crx on Windows, .bundle on macOS.

Compatibility

Supported on Windows and macOS only.