Returns the drawing rectangle for the volume slider’s thumb image.
- iOS 6.0+
- Media Player
The bounding rectangle of the receiver.
The drawing rectangle for the receiver’s track, as returned by the
Slider Rect(for Bounds:)
The current value of the volume slider.
The computed drawing rectangle for the thumb image.
The rectangle you return should reflect the size of your thumb image and its current position on the slider’s track.