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   [Expand]CustomColumnFilterListEventArgs Class
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     TreeListNodeAllowEventArgs Members
     TreeListNodeAllowEventArgs Constructor
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 End-User Documentation

TreeListNodeAllowEventArgs Class

Provides data for the TreeListView.NodeExpanding and TreeListView.NodeCollapsing events.

Namespace:DevExpress.Xpf.Grid.TreeList
Assembly:DevExpress.Xpf.Grid.v17.2.dll

Expanded Syntax

Expanded Remarks

The TreeListView.NodeExpanding and TreeListView.NodeCollapsing events occur when a node is about to be expanded or collapsed, allowing the action to be cancelled.

To cancel the action, set the event parameter's Allow property to false. The processed node is returned by the TreeListNodeEventArgs.Node property.

To learn more, see Expanding and Collapsing Nodes .

Expanded Inheritance Hierarchy

System.Object
    System.EventArgs
       System.Windows.RoutedEventArgs
          TreeListNodeEventArgs
             TreeListNodeAllowEventArgs
                TreeListShowingNodeFooterEventArgs

Expanded See Also

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