public TechList() { XamlReader.Load(this); PossibleItems.BindDataContext(c => c.DataStore, (DictionaryVM <Guid, string> m) => m.DisplayList); PossibleItems.SelectedIndexBinding.BindDataContext((DictionaryVM <Guid, string> m) => m.SelectedIndex); SelectedItems.BindDataContext(c => c.DataStore, (DictionaryVM <Guid, string> m) => m.DisplayList); SelectedItems.SelectedIndexBinding.BindDataContext((DictionaryVM <Guid, string> m) => m.SelectedIndex); }