# TreeListCustomSummaryEventArgs class

Provides data for the CustomSummary event.

```csharp
public class TreeListCustomSummaryEventArgs : EventArgs
```

## Public Members

| name | description |
| --- | --- |
| [TreeListCustomSummaryEventArgs](TreeListCustomSummaryEventArgs/TreeListCustomSummaryEventArgs.md)(…) |  |
| [Nodes](TreeListCustomSummaryEventArgs/Nodes.md) { get; } | Gets the nodes for which the summary is calculated. |
| [SummaryItem](TreeListCustomSummaryEventArgs/SummaryItem.md) { get; } | Gets the summary item being calculated. |
| [SummaryValue](TreeListCustomSummaryEventArgs/SummaryValue.md) { get; set; } | Gets or sets the result of the custom summary calculation. |

## See Also

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

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