Function Entry: SHOWHTMLMODALWINDOW
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Function Entry: SHOWHTMLMODALWINDOW
Name
showhtmlmodalwindow
Class
Application/UI function
Syntax
(showhtmlmodalwindow uri)
Arguments and Values
uri— string URL or other URI naming the page to display.
Description
Displays a modal dialog box with a specified URI.
Return Values
Always returns nil.
Side Effects
Displays modal user interface content based on a URI.
Compatibility
Highly host-UI-specific and potentially version-sensitive.
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.
See Also
- AutoCAD-Windows-only. BricsCAD has no documented equivalent. Divergence documented in
vendor-inventory-2026.org§10 item 10.
Source Notes
- [showhtmlmodalwindow (AutoLISP)](https://help.autodesk.com/cloudhelp/2024/JPN/AutoCAD-LT-AutoLISP-Reference/files/GUID-1330BB1E-866E-419A-8AE3-22B0C16E1F06.htm)
Notes
- Autodesk documents that the dialog's size and position are automatically persisted across sessions.
- Autodesk documents that the loaded page may use the AutoCAD JavaScript API.
Compatibility
Available on Windows only.