---
title: CGMouseButton.center
framework: coregraphics
role: symbol
role_heading: Case
path: coregraphics/cgmousebutton/center
---

# CGMouseButton.center

## Declaration

```swift
case center
```

## Discussion

Discussion Specifies the center mouse button on a three-button mouse.

## See Also

### Constants

- [CGMouseButton.left](coregraphics/cgmousebutton/left.md)
- [CGMouseButton.right](coregraphics/cgmousebutton/right.md)