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# highlight(_:withFrame:in:)

Draws the receiver’s image with optional highlighting.

```
@MainActor func highlight(_ flag: Bool, withFrame cellFrame: NSRect, in controlView: NSView?)
```

## Parameters

`flag`

A Boolean value that indicates whether to highlight the image. Add a highlight if the value is <doc://com.apple.documentation/documentation/Swift/true>.

`cellFrame`

The frame rectangle in which to draw.

`controlView`

The view in which to draw.

## See Also

[`highlight(_:withFrame:in:)`](/documentation/AppKit/NSCell/highlight(_:withFrame:in:))

Redraws the receiver with the specified highlight setting.

[`lockFocus()`](/documentation/AppKit/NSView/lockFocus())

Locks the focus on the view, so subsequent commands take effect in the view’s window and coordinate system.


---

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