Function Entry: VLAX-CURVE-GETPERIMETER

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Function Entry: VLAX-CURVE-GETPERIMETER

Name

vlax-curve-getperimeter

Class

BricsCAD ActiveX Extension Function

Syntax

(vlax-curve-getperimeter curveEnt)

Arguments and Values

curveEnt (ename or vla-object) the COM object of any "curve"
entity

Description

This function returns the perimeter of the curveEnt curve entity.

Return Values

double; the perimeter of the curve or NIL

Examples

last entity is a CIRCLE with
radius = 1.0 :

(setq ent (vlax-ename->vla-object
(entlast)))  #<VLA-OBJECT IAcadCircle
000000004E8E3920>

(vlax-curve-getperimeter ent)
 6.28318530717959

Notes

this function is specific for BricsCAD, not available in AutoLISP !

Availability

AutoCAD 2026: not documented.
BricsCAD V26: documented.
Status: BricsCAD-only.

Source Notes

[vlax-curve-getperimeter (BricsCAD V26 DevRef)](https://developer.bricsys.com/bricscad/help/en_US/V26/DevRef/source/vlax-curve-getperimeter.htm)
Status: documented (Phase 3 follow-up: body filled from the BricsCAD V26 per-symbol page on 2026-04-26).