This open source class adds  several features to the framework slider control useful for "live" scrolling:

Allows execution a final action at the  end of the scroll ( initiated via mouse or keyboard)  by a ChangeFinished event.

Provides the ability to update UI Controls during a LiveScroll using the UpdateDisplayedValue and ValueChanged Events.

Supports the user aborting a drag  if the user relases the mouse button sufficently far enough out of the slider