Skip to main content

Apple Developer Docs

Core HID / HIDUsage / HIDUsage.LEDUsage / HIDUsage.LEDUsage.surroundOn

HIDUsage.LEDUsage.surroundOn

Declaration

case surroundOn

Open on developer.apple.com

Core HIDCase

macOS 15.0+

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