# fixedLayout(width:height:) Center the preview in a fixed size container with the given dimensions. ``` @MainActor static func fixedLayout(width: CGFloat, height: CGFloat) -> PreviewTrait ``` ## Discussion This is the same as [`PreviewLayout.fixed(width:height:)`](/documentation/DeveloperToolsSupport/PreviewLayout/fixed(width:height:)). --- 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)