Scrollbar click on grey area event catch

Hi Everybody!

Im working on one custom component. Im using Panel on my component. I needed a scroll event to listen to, and i added one in client side at onBrowserEvent(Event event) method at ONSCROLL event, and its working perfectly. The only thing that is missing, that when i click on the grey area of a scrollbar it wont listens to that event. I attached one screenshot if you don`t understand what i mean. :slight_smile: How can i catch that scroll event in client side?

Thanks for answers!
12524.jpg

Its the page scroll event i think.