Function Entry: VLE-IS-CURVE

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Function Entry: VLE-IS-CURVE

Name

vle-is-curve

Class

BricsCAD VLE Library Function

Syntax

(vle-is-curve en)

Arguments and Values

  • entity entity name to be verified (ENAME or
  • VLA-OBJECT

Description

verifies whether 'entity' is a valid curve-based entity name or not.

Return Values

T if 'entity' is a valid curve-based entity

NIL if 'entity' is not a valid curve-based entity

Examples

(vle-is-curve en) =>
return T for a LINE entity

(vle-is-curve en) => return NIL for a
3DFACE entity

Notes

curve-based entities

AcDbLine

AcDbPolyline

AcDb2dPolyline

AcDb3dPolyline

AcDbArc

AcDbCircle

AcDbEllipse

AcDbSpline

AcDbHelix

AcDbLeader

AcDbRay

AcDbXline

Availability

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

Source Notes