private void ListOption_AddButtonClick(object sender, RoutedEventArgs args)
{
IListOptionViewModel model = GetEventSourceItem(args) as IListOptionViewModel;
try
{
model.AddItem();
}
catch (ItemAlreadyExistsException e)
{
MessageBox.Show(e.Message);
}
}
private void ListOption_RemoveButtonClick(object sender, RoutedEventArgs args)
{
ListBoxItem container = lstOptions.GetEventSourceElement <ListBoxItem>(args);
IListOptionViewModel model = GetEventSourceItem(args) as IListOptionViewModel;
DataTemplateKey key = new DataTemplateKey(model.GetType());
DataTemplate template = FindResource(key) as DataTemplate;
ContentPresenter presenter = container.FindVisualChild <ContentPresenter>();
ListBox list = template.FindName("lstItems", presenter) as ListBox;
IList foo = list.SelectedItems;
object[] removeItems = (from object f in foo
select f).ToArray();
model.RemoveItems(removeItems);
}
