# TreeListFocusedColumnChangedEventArgs.OldColumn property

Gets the previously focused column.

```csharp
public TreeListColumn? OldColumn { get; }
```

## See Also

* class [TreeListColumn](../TreeListColumn.md)
* class [TreeListFocusedColumnChangedEventArgs](../TreeListFocusedColumnChangedEventArgs.md)
* namespace [Eremex.AvaloniaUI.Controls.TreeList](../index.md)

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