---
title: NSTextView.DidChangeSelectionMessage
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nstextview/didchangeselectionmessage
---

# NSTextView.DidChangeSelectionMessage

## Declaration

```swift
struct DidChangeSelectionMessage
```

## Topics

### Instance Properties

- [oldSelectedCharacterRange](appkit/nstextview/didchangeselectionmessage/oldselectedcharacterrange.md)
- [textView](appkit/nstextview/didchangeselectionmessage/textview.md)

## Relationships

### Conforms To

- [NotificationCenter.MainActorMessage](foundation/notificationcenter/mainactormessage.md)
- [SendableMetatype](swift/sendablemetatype.md)