Function Entry: VL-VLX-LOADED-P
← Prev | ↑ Chapter | Next → | Index | Symbols
Function Entry: VL-VLX-LOADED-P
Name
vl-vlx-loaded-p
Class
VLX namespace inquiry function
Syntax
(vl-vlx-loaded-p appname)
Arguments and Values
appname— string naming a VLX application.
Description
Determines whether a separate-namespace VLX application is loaded.
Return Values
Returns T if the specified separate-namespace VLX application is loaded; otherwise returns nil.
Notes
- Autodesk documents this for separate-namespace VLX applications, not document-namespace loads.
- 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.
Source Notes
- [vl-vlx-loaded-p (AutoLISP)](https://help.autodesk.com/cloudhelp/2026/HUN/AutoCAD-AutoLISP-Reference/files/GUID-2322688B-F1FA-416E-AEF0-E14256717588.htm)
- [VLX Namespace Functions Reference (AutoLISP)](https://help.autodesk.com/cloudhelp/2026/CHT/AutoCAD-AutoLISP-Reference/files/GUID-5784FC6F-82DD-4459-879B-6EC3BD5E88D1.htm)