KeyboardSelection in Selectors (ListBox, ComboBox, ListView, GridView)
Keyboard selection in Selectors (ListBox, ComboBox, ListView, GridView) for UWP apps doesn't really work.
I came up with a solution for this using a KeyboardSelectionBehavior, Have a look at:
I think this could also be useful for the toolkit. I'm not sure if it should be a Behavior or an AttachedProperty.