Protected Overridable Sub OnDisplayValueChanged( _
   ByVal oldValue As Double, _
   ByVal newValue As Double _
) 

Dim instance As UXRatingItem
Dim oldValue As Double
Dim newValue As Double
 
instance.OnDisplayValueChanged(oldValue, newValue)

protected virtual void OnDisplayValueChanged( 
   double oldValue,
   double newValue
)

protected procedure OnDisplayValueChanged( 
    oldValue: Double;
    newValue: Double
); virtual; 

protected function OnDisplayValueChanged( 
   oldValue : double,
   newValue : double
);

protected: virtual void OnDisplayValueChanged( 
   double oldValue,
   double newValue
) 

protected:
virtual void OnDisplayValueChanged( 
   double oldValue,
   double newValue
)