An abstract class supporting Graphics Ports operations.
graphics-ports
output-pane
pixmap-port
printer-port
metafile-port
The class graphics-port-mixin
is an abstract class for supporting graphics ports operations. All the classes that support drawing (generally referred to as "graphics ports") inherit from it.
CAPI User Guide and Reference Manual (Windows version) - 01 Dec 2021 19:34:15