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# webView(_:shouldChangeSelectedDOMRange:to:affinity:stillSelecting:)

Returns whether the user should be allowed to change the selected range.

```
optional func webView(_ webView: WebView!, shouldChangeSelectedDOMRange currentRange: DOMRange!, to proposedRange: DOMRange!, affinity selectionAffinity: NSSelectionAffinity, stillSelecting flag: Bool) -> Bool
```

## Parameters

`webView`

The web view that the user is editing.

`currentRange`

The old range the user wants to change.

`proposedRange`

The new range the user wants to select.

`selectionAffinity`

The direction of the selection.

`flag`

<doc://com.apple.documentation/documentation/Swift/true> if the user is still selecting; otherwise, <doc://com.apple.documentation/documentation/Swift/false>.

## Return Value

<doc://com.apple.documentation/documentation/Swift/true> if the user is allowed to change the selected range; otherwise, <doc://com.apple.documentation/documentation/Swift/false>.

## See Also

[`webViewDidChangeSelection(_:)`](/documentation/WebKit/WebEditingDelegate/webViewDidChangeSelection(_:))

Sent by the default notification center when the user changes the selection in the web view.


---

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