---
title: NSFontChanging
framework: appkit
role: symbol
role_heading: Protocol
path: appkit/nsfontchanging
---

# NSFontChanging

## Declaration

```swift
protocol NSFontChanging : NSObjectProtocol
```

## Topics

### Instance Methods

- [changeFont(_:)](appkit/nsfontchanging/changefont(_:).md)
- [validModesForFontPanel(_:)](appkit/nsfontchanging/validmodesforfontpanel(_:).md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Font Panels

- [NSFontPanel](appkit/nsfontpanel.md)
- [NSFontPanel.ModeMask](appkit/nsfontpanel/modemask.md)
- [NSFontPanelValidation](appkit/nsfontpanelvalidation.md)