Protected Overrides Sub OnIsSelectedChanged( _
   ByVal oldValue As Boolean, _
   ByVal newValue As Boolean _
) 

Dim instance As UXComboBoxItem
Dim oldValue As Boolean
Dim newValue As Boolean
 
instance.OnIsSelectedChanged(oldValue, newValue)

protected override void OnIsSelectedChanged( 
   bool oldValue,
   bool newValue
)

protected procedure OnIsSelectedChanged( 
    oldValue: Boolean;
    newValue: Boolean
); override; 

protected override function OnIsSelectedChanged( 
   oldValue : boolean,
   newValue : boolean
);

protected: void OnIsSelectedChanged( 
   bool oldValue,
   bool newValue
) override 

protected:
void OnIsSelectedChanged( 
   bool oldValue,
   bool newValue
) override