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I was wondering how to create a scroll that looks something similar to this:
I'm really interested on being able to build one like this, and I'm not sure on what elemnt is this one and how to implement it. I've been searching, but I can't find any information... So any tutorial, guide or clue will be really appreciated.
See the tutorial of Charles Petzold. It gives a nice introduction how to create curved sliders and scrollbars.
Take a look at "A Knob Slider Control". It doesn't look as nice as your example, but that's just a matter of styling. Maybe you could use it as a starting point?