Returns the drawing rectangle for the slider’s thumb image.
- iOS 2.0+
- Mac Catalyst 13.0+
The bounding rectangle of the slider.
The drawing rectangle for the slider’s track, as returned by the
The current value of the slider.
The computed drawing rectangle for the thumb image.
You do not call this method directly. Instead, you override it when you want to customize the thumb image’s drawing rectangle, returning a different rectangle. The rectangle you return must reflect the size of your thumb image and its current position on the slider’s track.