data1
Additional data associated with this event.
Declaration
var data1: Int { get }Discussion
The originator of the event defines the data in this property, and the data is dependent on the event type. If the type of this event isn’t NSAppKitDefined, NSSystemDefined, NSApplicationDefined, or NSPeriodic, accessing this property raises internalInconsistencyException.
NSPeriodic events don’t use this property.