---
title: NSTextView.WillChangeNotifyingTextViewMessage
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nstextview/willchangenotifyingtextviewmessage
---

# NSTextView.WillChangeNotifyingTextViewMessage

## Declaration

```swift
struct WillChangeNotifyingTextViewMessage
```

## Topics

### Initializers

- [init(textView:oldNotifyingTextView:newNotifyingTextView:)](appkit/nstextview/willchangenotifyingtextviewmessage/init(textview:oldnotifyingtextview:newnotifyingtextview:).md)

### Instance Properties

- [newNotifyingTextView](appkit/nstextview/willchangenotifyingtextviewmessage/newnotifyingtextview.md)
- [oldNotifyingTextView](appkit/nstextview/willchangenotifyingtextviewmessage/oldnotifyingtextview.md)
- [textView](appkit/nstextview/willchangenotifyingtextviewmessage/textview.md)

## Relationships

### Conforms To

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