<!--
{
  "availability" : [
    "macCatalyst: -",
    "macOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "CoreGraphics",
  "identifier" : "/documentation/CoreGraphics/CGScrollEventUnit/line",
  "metadataVersion" : "0.1.0",
  "role" : "Case",
  "symbol" : {
    "kind" : "Case",
    "modules" : [
      "Core Graphics"
    ],
    "preciseIdentifier" : "c:@E@CGScrollEventUnit@kCGScrollEventUnitLine"
  },
  "title" : "CGScrollEventUnit.line"
}
-->

# CGScrollEventUnit.line

Specifies that the unit of measurement is lines.

```
case line
```

---

Copyright &copy; 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)