# TreeListControl.GetTotalSummaryValue method

Returns the total summary value calculated for the specified summary item.

```csharp
public object? GetTotalSummaryValue(SummaryItem item)
```

## See Also

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

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