mixedStateImage
The image of the menu item that indicates a “mixed” state, that is, a state neither “on” nor “off.”
Declaration
var mixedStateImage: NSImage! { get set }Discussion
A mixed state is useful for indicating a mix of “off” and “on” attribute values in a group of selected objects, such as a selection of text containing boldface and plain (non-boldface) words. By default this is a horizontal line.