A Boolean value indicating whether the view posts notifications when its frame rectangle changes.
- macOS 10.0+
When the value of this property is
true and the view’s frame rectangle changes to a new value, the view posts a
frame to the default notification center. The notification is not posted when you set the frame rectangle to the value it already has. The default value of this property is
If the value of this property is currently
false and and the frame has changed, changing the value to
true causes the view to post a
frame notification immediately. This happens even when there has been no net change in the view's frame rectangle.
The following methods and properties can trigger a frame change notification: