A container for a document-frame (only implemented on Microsoft Windows).
capi
screen-interfaces
The class document-container
is used to implement the container in a document-frame.
A document-container
has some screen-like functionality, responding to screen-internal-geometry and screen-active-interface.
This works only in LispWorks for Windows.
display
document-frame
screen-active-interface
screen-internal-geometry
3.13 Screens
11 Defining Interface Classes - top level windows
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42