Currently, RadSlider doesn't support multiple ranges. However, we have a feature request logged in our feedback portal
where you can track its status and vote for the feature's implementation.
As for the statement in website, it means that the slider supports range selection
. Multiple thumbs mean 2 thumbs.
Do you need help with upgrading your AJAX, WPF or WinForms project? Check the Telerik API Analyzer
and share your thoughts.