Skip to main content

Apple Developer Docs

AppKit / NSWindow / NSWindow.DidChangeBackingPropertiesMessage / oldScaleFactor

oldScaleFactor

Declaration

var oldScaleFactor: CGFloat?

Open on developer.apple.com

AppKitInstance Property

macOS 27.0+

Built on 2026-06-12 · Snapshot snapshot-20260612-beta.1 (macOS 27.0) · Commit fba13e1 · by @g-cqd · based on Apple Developer Documentation