The image that represents the background appearance of the text field when it is disabled.
- iOS 2.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
Background images are drawn in the border rectangle portion of the text field. Images you use for the text field’s background should be able to stretch to fit. This property is ignored if the
background property is not also set.
This property is set to
nil by default.