public virtual extern void GetnativeIPortableDeviceValuesCollectionValue([In] ref PropertyKey key, [MarshalAs(UnmanagedType.Interface)] out IPortableDeviceValuesCollection ppValue);
public extern virtual void SetnativeIPortableDeviceValuesCollectionValue([In] ref PropertyKey key, [In, MarshalAs(UnmanagedType.Interface)] IPortableDeviceValuesCollection pValue);