# TreeListControl.AutoGeneratingColumn event

Occurs when a column is generated automatically.

```csharp
public event EventHandler<TreeListAutoGeneratingColumnEventArgs>? AutoGeneratingColumn;
```

## See Also

* class [TreeListAutoGeneratingColumnEventArgs](../TreeListAutoGeneratingColumnEventArgs.md)
* class [TreeListControl](../TreeListControl.md)
* namespace [Eremex.AvaloniaUI.Controls.TreeList](../index.md)

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