Function Entry: VL-UNLOAD-VLX

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Function Entry: VL-UNLOAD-VLX

Name

vl-unload-vlx

Class

VLX namespace control function

Syntax

(vl-unload-vlx appname)

Arguments and Values

  • appname — string naming a VLX application loaded in its own namespace, without the .vlx extension.

Description

Unloads a VLX application that was loaded in a separate namespace.

Return Values

Returns T if successful.

Exceptional Situations

Signals an AutoLISP-visible error if the named application cannot be unloaded.

Notes

  • Autodesk documents that this does not apply to VLX applications loaded into the current document namespace.
  • Recent Autodesk references say the function is supported on macOS and Web but has no effect there because VLX files are Windows-only.

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.