Awesome

UWP-Enum-Bindable-Slider

A UWP Custom Slider Control of which the value is two-way bindable to a property of an Enum type.

• Supports declarative binding with {x:Bind} and {Binding}, as well as programmatic binding in C#.
• Respects the 'Display' data annotation attribute for custom text.
• Exposes converters to support data binding to an Enum type.

The blog post that explains the nuts and bolts is right here: https://xamlbrewer.wordpress.com/2016/01/31/binding-a-slider-to-an-enumeration-in-uwp/.