A Boolean that controls whether the receiver adjusts the width of its bounding rectangle when its text view is resized.
- iOS 7.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
When the value of this property is
true, the text container adjusts its width when the width of its text view changes. The default value of this property is
For more information about size tracking, see Text System Storage Layer Overview.