minimumTrackImage(for:)
Returns the minimum track image associated with the specified control state.
Declaration
func minimumTrackImage(for state: UIControl.State) -> UIImage?Parameters
- state:
The control state whose minimum track image you want to use. Specify a single control state value for this parameter.
Return Value
The minimum track image associated with the specified state, or nil if no image has been set. This method might also return nil if you specify multiple control states in the state parameter. For a description of track images, see Customize the slider’s appearance.