In fact it's based on V10 and you can upgrade the packages to the latest version. (https://github.com/ThinkGeo/DragPointWithLabelSample-ForWinForms/blob/master/DragPointWithLabel/packages.config)
And for our product, you can easily copy all code between winfoms and wpf version, most of the APIs is the same.
If you found some detail problem when you move to WPF please let me know, I can help you solve that.
Here is a guide about how to quickly create the project based on template for our V10 map, http://wiki.thinkgeo.com/wiki/map_suite_project_template_guide