This is available since the version 1.5.

To display a page thumbnail, by using the default option, as specified in the EditorialConfig by the default page thumbnail option:

<l:PagePreview 

         VerticalAlignment="Center" 

         Stretch="Uniform" 

         PageId="{Binding Path=[page.id]}" 

/>

See also

Displaying page thumbnails (overriding - v1.5 or newer)

Page thumbnail default option in EditorialConfig

Page thumbnail options

Page thumbnail options file structure

Creating custom preview options based on page work state

Scripts and page thumbnails

Recreating thumbnails in 1.5 or newer