---
title: NSFontPanelUnderlineEffectModeMask
framework: appkit
role: symbol
role_heading: Global Variable
path: appkit/nsfontpanelunderlineeffectmodemask
---

# NSFontPanelUnderlineEffectModeMask

Display the underline popup menu.

## Declaration

```swift
var NSFontPanelUnderlineEffectModeMask: UInt32 { get }
```

## See Also

### Constants

- [NSFontPanelFaceModeMask](appkit/nsfontpanelfacemodemask.md)
- [NSFontPanelSizeModeMask](appkit/nsfontpanelsizemodemask.md)
- [NSFontPanelCollectionModeMask](appkit/nsfontpanelcollectionmodemask.md)
- [NSFontPanelStrikethroughEffectModeMask](appkit/nsfontpanelstrikethrougheffectmodemask.md)
- [NSFontPanelTextColorEffectModeMask](appkit/nsfontpaneltextcoloreffectmodemask.md)
- [NSFontPanelDocumentColorEffectModeMask](appkit/nsfontpaneldocumentcoloreffectmodemask.md)
- [NSFontPanelShadowEffectModeMask](appkit/nsfontpanelshadoweffectmodemask.md)
- [NSFontPanelAllEffectsModeMask](appkit/nsfontpanelalleffectsmodemask.md)
- [NSFontPanelStandardModesMask](appkit/nsfontpanelstandardmodesmask.md)
- [NSFontPanelAllModesMask](appkit/nsfontpanelallmodesmask.md)