RadRangeSlider is available for Windows 8.1.
RadRangeSlider is a flexible UI component that allows value-range selection.
When you need to enable your users to filter goods falling into certain price-range,
or when they need to limit the number of available options (items), in all these scenarios
and many more RadRangeSlider provides a simple UI and advanced features for achieving these goals.
The control is completely customizable in terms of appearance and offers numerous configuration options like
orientation, small change, large change, header, snap to tick, snap to small/large change and etc.