TreeView::OnSelectedItemChanged Method (RoutedPropertyChangedEventArgs<Object^>^)
Raises the SelectedItemChanged event when the SelectedItem property value changes.
Assembly: PresentationFramework (in PresentationFramework.dll)
protected: virtual void OnSelectedItemChanged( RoutedPropertyChangedEventArgs<Object^>^ e )
Parameters
- e
-
Type:
System.Windows::RoutedPropertyChangedEventArgs<Object^>^
Provides the item that was previously selected and the item that is currently selected for the SelectedItemChanged event.
The event data that the parameter e provides contains an DependencyPropertyChangedEventArgs::OldValue and a PropertyDataChangedEventArgs::NewValue. The DependencyPropertyChangedEventArgs::OldValue is set to the item that was previously selected, or is set to null if there is no previously selected item. Similarly, the PropertyDataChangedEventArgs::NewValue is set to the newly selected item, or is set to null if no new item is selected.
Available since 3.0
Silverlight
Available since 3.0