RadTreeViewItem.PreviewChecked Event
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RadTreeViewItemPreviewChecked Event
Occurs before the tree item is checked.

Namespace: Telerik.Windows.Controls
Assembly: Telerik.Windows.Controls.Navigation (in Telerik.Windows.Controls.Navigation.dll) Version: 2018.2.620.40 (2018.2.620.40)
Syntax
public event EventHandler<RadRoutedEventArgs> PreviewChecked

Value

Type: SystemEventHandlerRadRoutedEventArgs
See Also