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# outlineView(_:didDrag:)

Sent at the time the mouse button goes up in `outlineView` and `tableColumn` has been dragged during the time the mouse button was down.

```
@MainActor optional func outlineView(_ outlineView: NSOutlineView, didDrag tableColumn: NSTableColumn)
```

## Parameters

`outlineView`

The outline view that sent the message.

`tableColumn`

The table column.

---

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