public MainWindowViewModel()
{
Items = new ObservableCollection <IListItem>(new List <IListItem>
{
new SomeListItem {
Color = Brushes.Yellow, Label = "Item One"
},
new SomeOtherListItem {
Description = "Some useless description for item two", Label = "Item Two"
},
new SomeListItem {
Color = Brushes.Yellow, Label = "Item Three"
},
new SomeOtherListItem {
Description = "Some useless description for item four", Label = "Item Four"
}
});
var factory = new ItemTemplateFactory();
factory.Register(typeof(SomeListItem), (DataTemplate)Application.Current.FindResource("SomeListItem_Template"));
factory.Register(typeof(SomeOtherListItem), (DataTemplate)Application.Current.FindResource("SomeOtherListItem_Template"));
ItemTemplateSelector = new ItemTemplateSelector(factory);
}
public ItemTemplateSelector(ItemTemplateFactory factory) => _factory = factory ?? throw new ArgumentNullException(nameof(factory));