CFNotificationCenterPostNotification(_:_:_:_:_:)
Posts a notification for an object.
Declaration
func CFNotificationCenterPostNotification(_ center: CFNotificationCenter!, _ name: CFNotificationName!, _ object: UnsafeRawPointer!, _ userInfo: CFDictionary!, _ deliverImmediately: Bool)Parameters
- center:
The notification center to post the notification.
- name:
The name of the notification to post. This value must not be
NULL. - object:
The object posting the notification. If
NULL, the notification is sent only to observers that are observing all objects. In other words, only observers that registered for the notification with aNULLvalue forobjectwill receive the notification.If you want to allow your clients to register for notifications using Cocoa APIs (see Notificationcenter), then
objectmust be a Core Foundation or Cocoa object.For distributed notifications,
objectmust be a CFString object.If
centeris a Darwin notification center, this value is ignored. - userInfo:
A dictionary passed to observers. You populate this dictionary with additional information describing the notification. For distributed notifications, the dictionary must contain only property list objects. This value may be
NULL.If
centeris a Darwin notification center, this value is ignored. - deliverImmediately:
If
true, the notification is delivered to all observers immediately, even if some observers are in suspended (background) applications and they requested different suspension behavior when registering for the notification. Iffalse, each observer’s requested suspension behavior is respected.If
centeris a Darwin notification center, this value is ignored.