# CGReleaseScreenRefreshRects(_:) Deallocates a list of rectangles that represent changed areas on local displays. ``` func CGReleaseScreenRefreshRects(_ rects: UnsafeMutablePointer?) ``` ## Parameters `rects` A list of rectangles obtained by calling [`CGWaitForScreenRefreshRects(_:_:)`](/documentation/CoreGraphics/CGWaitForScreenRefreshRects(_:_:)) or [`CGWaitForScreenUpdateRects(_:_:_:_:_:)`](/documentation/CoreGraphics/CGWaitForScreenUpdateRects(_:_:_:_:_:)). ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)