Function Entry: ISPROPERTYREADONLY

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Function Entry: ISPROPERTYREADONLY

Name

ispropertyreadonly

Class

Property Function

Syntax

(ispropertyreadonly ename property-name)

Arguments and Values

  • ename: entity name
  • property-name: property identifier

Description

Tests whether a named property is read-only.

Return Values

  • T if the property is read-only
  • nil otherwise

Side Effects

None.

Compatibility

Part of the Autodesk generic property-function additions from AutoCAD 2011.

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.

Source Notes