This class provides a combo box interface control to let the user enter a value into the text-field portion of the combo box, or select a value from a pop-up list.

@interface NSComboBox : NSTextField
// Initializers
- (id)initWithCoder:(NSCoder *)coder;
// Accessor Methods
- (void)setNumberOfVisibleItems:(int)visibleItems;
- (int)numberOfVisibleItems;
- (void)setHasVerticalScroller:(BOOL)flag;
- (BOOL)hasVerticalScroller;
- (void)setCompletes:(BOOL)completes;
- (BOOL)completes;
- (void)setIntercellSpacing:(NSSize)aSize;
- (NSSize)intercellSpacing;
- (void)setItemHeight:(float)itemHeight;
- (float)itemHeight;
- (void)setUsesDataSource:(BOOL)flag;
- (BOOL)usesDataSource;
- (void)setDataSource:(id)aSource;
- (id)dataSource;
// Instance Methods
- (void)deselectItemAtIndex:(int)index;
- (void)encodeWithCoder:(NSCoder *)coder;
- (int)indexOfItemWithObjectValue:(id)object;
- (void)addItemWithObjectValue:(id)object;
- (void)addItemsWithObjectValues:(NSArray *)objects;
- (int)indexOfSelectedItem;
- (void)insertItemWithObjectValue:(id)object atIndex:(int)index;
- (id)itemObjectValueAtIndex:(int)index;
- (void)noteNumberOfItemsChanged;
- (int)numberOfItems;
- (id)objectValueOfSelectedItem;
- (NSArray *)objectValues;
- (void)reloadData;
- (void)removeAllItems;
- (void)removeItemAtIndex:(int)index;
- (void)removeItemWithObjectValue:(id)object;
- (void)scrollItemAtIndexToTop:(int)index;
- (void)scrollItemAtIndexToVisible:(int)index;
- (void)selectItemAtIndex:(int)index;
- (void)selectItemWithObjectValue:(id)object;
// Methods Implemented by the Delegate
- (void)comboBoxSelectionDidChange:(NSNotification *)notification;
- (void)comboBoxSelectionIsChanging:(NSNotification *)notification;
- (void)comboBoxWillDismiss:(NSNotification *)notification;
- (void)comboBoxWillPopUp:(NSNotification *)notification;