The inset or outset margins for the rectangle around the button’s image.
- iOS 2.0+
- tvOS 9.0+
Use this property to resize and reposition the effective drawing rectangle for the button image. You can specify a different value for each of the four insets (top, left, bottom, right). A positive value shrinks, or insets, that edge—moving it closer to the center of the button. A negative value expands, or outsets, that edge. Use the
init(top: function to construct a value for this property. The default value is