Tests whether a pane supports menus with images.
A displayed CAPI pane.
t if the pane supports menus with images. This means that the menus display both the images and the text correctly.
of menu for details of creating a menu with images.
nil, menus can display images, but not together with text at the same item They may also display images with transparency incorrectly.
Whether the pane supports menus with images depends on the library in which it is displayed. Support is currently limited to GTK+ and Cocoa.
CAPI User Guide and Reference Manual (Unix version) - 25 Feb 2015