Thank you for choosing Telerik RadRadialMenu!
RadRadialMenu is a circular menu that comes with support for selection, commands, events and many customization options. Using RadRadialMenu the end-user can drill-down into different levels of items that provide variety of options to choose from.
RadRadialMenu key features list:
Can be used as a ContextMenu
Positioning relative to the target element
API for showing on different events
Fully Customizable Appearance
You can check RadRadialMenu demos at: http://demos.telerik.com/wpf.