A key whose value is an NSString object reflecting the new value of the preferred property.
SDKs
- iOS 7.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
Framework
- UIKit
Declaration
static let newValueUserInfoKey: String
Type Propertynew
new
See Also
Size Change Notifications
static let didPosted when the user changes the preferred content size setting.