---
title: NSGlassEffectContainerView
framework: appkit
role: symbol
role_heading: Class
path: appkit/nsglasseffectcontainerview
---

# NSGlassEffectContainerView

A view that efficiently merges descendant glass effect views together when they are within a specified proximity to each other.

## Declaration

```swift
class NSGlassEffectContainerView
```

## Overview

Overview tip: Using a glass effect container view can improve performance by reducing the number of passes required to render similar glass effect views.

## Topics

### Instance Properties

- [contentView](appkit/nsglasseffectcontainerview/contentview.md)
- [spacing](appkit/nsglasseffectcontainerview/spacing.md)

## Relationships

### Inherits From

- [NSView](appkit/nsview.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSAccessibilityElementProtocol](appkit/nsaccessibilityelementprotocol.md)
- [NSAccessibilityProtocol](appkit/nsaccessibilityprotocol.md)
- [NSAnimatablePropertyContainer](appkit/nsanimatablepropertycontainer.md)
- [NSAppearanceCustomization](appkit/nsappearancecustomization.md)
- [NSCoding](foundation/nscoding.md)
- [NSDraggingDestination](appkit/nsdraggingdestination.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSStandardKeyBindingResponding](appkit/nsstandardkeybindingresponding.md)
- [NSTouchBarProvider](appkit/nstouchbarprovider.md)
- [NSUserActivityRestoring](appkit/nsuseractivityrestoring.md)
- [NSUserInterfaceItemIdentification](appkit/nsuserinterfaceitemidentification.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Liquid Glass effects

- [NSGlassEffectView](appkit/nsglasseffectview.md)
- [NSGlassEffectView.Style](appkit/nsglasseffectview/style-swift.enum.md)