# TreeListControlBase.NodeChanged event

Occurs when a node's data or state is changed.

```csharp
public event EventHandler<TreeListNodeChangedEventArgs>? NodeChanged;
```

## See Also

* class [TreeListNodeChangedEventArgs](../TreeListNodeChangedEventArgs.md)
* class [TreeListControlBase](../TreeListControlBase.md)
* namespace [Eremex.AvaloniaUI.Controls.TreeList](../index.md)

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