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   [Expand]CustomColumnFilterListEventArgs Class
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     TreeListCellValidationEventArgs Members
     TreeListCellValidationEventArgs Constructor
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    TreeListCellValidationEventHandler Delegate
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 End-User Documentation

TreeListCellValidationEventArgs Class

Provides data for the TreeListView.ValidateCell event.

Namespace:DevExpress.Xpf.Grid.TreeList
Assembly:DevExpress.Xpf.Grid.v17.1.dll

Expanded Syntax

Expanded Remarks

The TreeListView.ValidateCell event occurs before the focused cell's modified value is posted to a data source, allowing manual validation of its new value.

The focused cell's new value is returned by the ValidationEventArgs.Value property. To indicate that the new value is invalid, set the ValidationEventArgs.IsValid property to false.

To learn more, see Validating Nodes and Node Cells.

Expanded Inheritance Hierarchy

System.Object
    System.EventArgs
       System.Windows.RoutedEventArgs
          ValidationEventArgs
             GridRowValidationEventArgs
                GridCellValidationEventArgs
                   TreeListCellValidationEventArgs

Expanded See Also

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