Wheel event rect:


(GraphicsLayer
  (anchor 0.00 0.00)
  (bounds 800.00 540.00)
  (children 1
    (GraphicsLayer
      (bounds 800.00 540.00)
      (contentsOpaque 1)
      (drawsContent 1)
      (backgroundColor #FFFFFF)
      (event region
        (rect (0,0) width=800 height=540)
      (wheel event listener region
        (rect (28,50) width=100 height=100)
        (non-passive
          (rect (28,50) width=100 height=100)
        )
      )
      )
    )
  )
)