# DataGridCustomSummaryEventArgs class

Provides data for the CustomSummary event.

```csharp
public class DataGridCustomSummaryEventArgs : EventArgs
```

## Public Members

| name | description |
| --- | --- |
| [DataGridCustomSummaryEventArgs](DataGridCustomSummaryEventArgs/DataGridCustomSummaryEventArgs.md)(…) | Initializes a new instance of the DataGridCustomSummaryEventArgs class with the specified summary item and row indexes. |
| [RowIndexes](DataGridCustomSummaryEventArgs/RowIndexes.md) { get; } | Gets the indexes of the rows over which the summary value is calculated. |
| [SummaryItem](DataGridCustomSummaryEventArgs/SummaryItem.md) { get; } | Gets the summary item whose value is calculated. |
| [SummaryValue](DataGridCustomSummaryEventArgs/SummaryValue.md) { get; set; } | Gets or sets the calculated summary value. Set this property to implement a custom summary. |

## See Also

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

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