A defined set of rules that allows the editing of predicate objects.
- macOS 10.5+
NSPredicate provides an
object (inherited from
NSControl)—that you can get and set directly, and that you can bind using Cocoa bindings (you typically configure a predicate editor in Interface Builder).
NSPredicate depends on another class,
NSPredicate, that describes the available predicates and how to display them.
NSPredicate does not depend on its delegate to populate its rows (and does not call the populating delegate methods). Instead, its rows are populated from its
object property (an instance of
NSPredicate relies on instances
NSPredicate, which are responsible for mapping back and forth between the displayed view values and various predicates.