public void InputEventHandlerUnRegister_GetAxis_MouseScrollWheel(DInputManagerGetAxis_MouseScrollWheel eventHandler)
 {
     if (eventHandler == null || EventGetAxis_MouseScrollWheel == null)
     {
         return;
     }
     EventGetAxis_MouseScrollWheel -= eventHandler;
 }
 /// <summary>
 /// Input.GetAxis("Mouse ScrollWheel")
 /// </summary>
 /// <param name="eventHandler"></param>
 public void InputEventHandlerRegister_GetAxis_MouseScrollWheel(DInputManagerGetAxis_MouseScrollWheel eventHandler)
 {
     if (eventHandler == null)
     {
         return;
     }
     if (EventGetAxis_MouseScrollWheel == null)
     {
         EventGetAxis_MouseScrollWheel = new DInputManagerGetAxis_MouseScrollWheel(eventHandler);
     }
     else
     {
         EventGetAxis_MouseScrollWheel += eventHandler;
     }
 }