The current page, shown by the receiver as a white dot.
- iOS 2.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
The property value is an integer specifying the current page shown minus one; thus a value of zero (the default) indicates the first page. A page control shows the current page as a white dot. Values outside the possible range are pinned to either 0 or
number minus 1.