Provide a way to disable/ restrict selection of certain dates inside the DatePicker, DateTimePicker controls. For example, non-working days cannot be selected, weekends, etc. 

DatePicker cannot be focused through Tab key on the keyboard. Looks like it doesn't support VisualElement.IsTabStop.

 

This is the tab order:

 

 

 

Datepickers are skipped. 

When the culture is set on app level and using resx files, localization does not apply. 

When changing the device culture, the resx files apply the values.