NSOpenPanel

@interface NSOpenPanel : NSSavePanel

 // Accessor Methods

   - (void)setCanChooseDirectories:(BOOL)flag;

   - (BOOL)canChooseDirectories;

   - (void)setCanChooseFiles:(BOOL)flag;

   - (BOOL)canChooseFiles;

   - (void)setResolvesAliases:(BOOL)flag;

   - (BOOL)resolvesAliases;

   - (void)setAllowsMultipleSelection:(BOOL)flag;

   - (BOOL)allowsMultipleSelection;

 // Class Methods

   + (NSOpenPanel *)openPanel;

 // Instance Methods

   - (NSArray *)URLs;

   - (void)beginSheetForDirectory:(NSString *)path file:(NSString *)name types:(NSArray *)fileTypes
        modalForWindow:(NSWindow *)docWindow  modalDelegate:(id)delegate  didEndSelector:(SEL)didEndSelector
        contextInfo:(void *)contextInfo;

   - (NSArray *)filenames;

   - (int)runModalForDirectory:(NSString *)path file:(NSString *)name types:(NSArray *)fileTypes;

   - (int)runModalForDirectory:(NSString *)path file:(NSString *)name types:(NSArray *)fileTypes
        relativeToWindow:(NSWindow*)window;

   - (int)runModalForTypes:(NSArray *)fileTypes;