How to display a different value for dropdown list values/selected item in a WPF ComboBox?

Question

I have a WPF combobox bound to a list of items with long descriptions.

The type bound to the ComboBox has both short and long description as properties. Currently, I

Answer 1

It doesn't seem to work for me now, but this one does:

public class ComboBoxItemTemplateSelector : DataTemplateSelector {
  public DataTemplate SelectedTemplate { get; set; }
  public DataTemplate DropDownTemplate { get; set; }

  public override DataTemplate SelectTemplate(object item, DependencyObject container) {
    var presenter = (ContentPresenter)container;
    return (presenter.TemplatedParent is ComboBox) ? SelectedTemplate : DropDownTemplate;
  }
}