带有WPF中样本数据的ListBox的设计时间总体

I have a view (usercontrol) that contains a listbox. At runtime the listbox will be populated with instances of another view (also a usercontrol). How can I populate the listbox in design-time (in Blend and Cider) with sample views that are themselves populated with sample data?I have a view (usercontrol) that contains a lis