[Q] Volume adjuster

[Dnst]

Hello,

I would like to configurate this thing, so that it works as an Volume adjuster.
http://www.abload.de/thumb/image_2349wrc.jpg (http://www.abload.de/img/image_2349wrc.jpg)

I didn't found a possibility in Windows Mobile, so I thought someone knows a trick how to make this.

Thanks in advance.