- virtual void OnPinch(PinchGesture pinch);
- virtual void OnPan(PanGesture pan);
- virtual void OnTap(TapGesture tap);
- virtual void OnLongPress(LongPressGesture longPress);
+ virtual void OnPinch(const PinchGesture& pinch);
+ virtual void OnPan(const PanGesture& pan);
+ virtual void OnTap(const TapGesture& tap);
+ virtual void OnLongPress(const LongPressGesture& longPress);