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# textView(_:shouldSetSpellingState:range:)

Sent when the spelling state is changed.

```
@MainActor optional func textView(_ textView: NSTextView, shouldSetSpellingState value: Int, range affectedCharRange: NSRange) -> Int
```

## Parameters

`textView`

The text view sending the message.

`value`

The proposed spelling state value to set. Possible values, for the temporary attribute on the layout manager using the key NSSpellingStateAttributeName, are:

- [`NSSpellingStateSpellingFlag`](/documentation/AppKit/NSSpellingState/NSSpellingStateSpellingFlag) to highlight spelling issues.
- [`NSSpellingStateGrammarFlag`](/documentation/AppKit/NSSpellingState/NSSpellingStateGrammarFlag) to highlight grammar issues.

`affectedCharRange`

The character range over which to set the given spelling state.

## Return Value

The actual spelling state to set.

## Discussion

Delegate only. Allows delegate to control the setting of spelling and grammar indicators.

## See Also

[`-  setSpellingState:range:`](/documentation/AppKit/NSTextView/setSpellingState(_:range:))

Sets the spelling state, which controls the display of the spelling and grammar indicators on the given text range.


---

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