A Boolean value indicating whether headers pin to the top of the collection view bounds during scrolling.
- iOS 9.0+
- tvOS 9.0+
When this property is
true, section header views scroll with content until they reach the top of the screen, at which point they are pinned to the upper bounds of the collection view. Each new header view that scrolls to the top of the screen pushes the previously pinned header view offscreen.
The default value of this property is