Silverlight 5 WinRT

  public sealed enum AddContactToBasketResult
  : IComparable, IFormattable, IConvertible
  { AddedToBasket, AlreadyInBasket, BasketUnavailable }

  public sealed class ContactPickerBasket
  : __ComObject, IContactPickerBasket
  public virtual IReadOnlyList`1<String> DesiredFields { get; }
  public virtual ContactSelectionMode SelectionMode { get; }
  public virtual event TypedEventHandler`2<ContactPickerBasket, ContactRemovedEventArgs> ContactRemoved;
  public virtual AddContactToBasketResult AddContact(String id, Contact contact);
  public virtual Boolean ContainsContact(String id);
  public virtual void RemoveContact(String id);

  public sealed class ContactRemovedEventArgs
  : __ComObject, IContactRemovedEventArgs
  public virtual String Id { get; }