Related resources for Windows Phone 7 Styles and Templates
  • Sharing and Reusing Styles and Templates in Windows Phone 71/4/2011 3:32:02 AM. The new Style can add to those Setter objects or override them. However, it is not possible to derive from a ControlTemplate. There’s no way to reference an existing ControlTemplate and specify an additional piece of the visual tree, or a replacement for part of the visual tree.