Returns the active interface on a screen.
capi
screen-active-interface screen => interface
screen⇩ |
A screen or document-container. |
interface |
An interface, or nil . |
The function screen-active-interface
returns the currently active interface on the screen screen, or nil
if no CAPI interface is active or if this cannot be determined.
screen-active-interface
also works with document-container, returning the active interface within the container.
CAPI User Guide and Reference Manual (Macintosh version) - 01 Dec 2021 19:31:27