7 BOOL _hasVerticalScroller;
8 BOOL _popUpButtonCausedResign;
10 CGSize _intercellSpacing;
12 id <CPComboBoxDataSource> _dataSource;
13 CPInteger _implementedDelegateComboBoxMethods;
16 int _numberOfVisibleItems;
17 _CPPopUpList _listDelegate;
An immutable string (collection of characters).