MouseWheelInputEvent Object extends MouseInputEvent

• type string - The type of the event, can be mouseWheel.事件的类型，可以是mouseWheel。
• deltaX Integer (optional)
• deltaY Integer (optional)
• wheelTicksX Integer (optional)
• wheelTicksY Integer (optional)
• accelerationRatioX Integer (optional)
• accelerationRatioY Integer (optional)
• hasPreciseScrollingDeltas boolean (optional)
• canScroll boolean (optional)