Protected Overridable Sub OnItemsPanelChanged( _
   ByVal oldValue As ItemsPanelTemplate, _
   ByVal newValue As ItemsPanelTemplate _
) 

Dim instance As ISItemsControl
Dim oldValue As ItemsPanelTemplate
Dim newValue As ItemsPanelTemplate
 
instance.OnItemsPanelChanged(oldValue, newValue)

protected virtual void OnItemsPanelChanged( 
   ItemsPanelTemplate oldValue,
   ItemsPanelTemplate newValue
)

protected procedure OnItemsPanelChanged( 
    oldValue: ItemsPanelTemplate;
    newValue: ItemsPanelTemplate
); virtual; 

protected function OnItemsPanelChanged( 
   oldValue : ItemsPanelTemplate,
   newValue : ItemsPanelTemplate
);

protected: virtual void OnItemsPanelChanged( 
   ItemsPanelTemplate* oldValue,
   ItemsPanelTemplate* newValue
) 

protected:
virtual void OnItemsPanelChanged( 
   ItemsPanelTemplate^ oldValue,
   ItemsPanelTemplate^ newValue
)