<!--
{
  "availability" : [
    "macOS: 14.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Virtualization",
  "identifier" : "/documentation/Virtualization/VZGraphicsDisplayObserver",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "Virtualization"
    ],
    "preciseIdentifier" : "c:objc(pl)VZGraphicsDisplayObserver"
  },
  "title" : "VZGraphicsDisplayObserver"
}
-->

# VZGraphicsDisplayObserver

A protocol you implement to observe state changes in graphic displays.

```
protocol VZGraphicsDisplayObserver : NSObjectProtocol
```

## Overview

Implement the methods in this protocol to observe and react to display reconfiguration.

## Topics

### Reacting to changes in display configuration

[`displayDidBeginReconfiguration(_:)`](/documentation/Virtualization/VZGraphicsDisplayObserver/displayDidBeginReconfiguration(_:))

The method the framework calls when the reconfiguration operation has begun.

[`displayDidEndReconfiguration(_:)`](/documentation/Virtualization/VZGraphicsDisplayObserver/displayDidEndReconfiguration(_:))

The method the framework calls when the reconfiguration operation ends.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)