# Deprecated Symbols Review symbols that are no longer supported, and find the replacements to use instead. ## Topics ### Classes [`class NSOpenGLView`](/documentation/AppKit/NSOpenGLView) A view that displays OpenGL content in a view. [`class NSOpenGLContext`](/documentation/AppKit/NSOpenGLContext) An object that represents an OpenGL graphics context, into which all OpenGL calls are rendered. [`class NSOpenGLLayer`](/documentation/AppKit/NSOpenGLLayer) A subclass of `CAOpenGLLayer` that is suitable for rendering OpenGL into layers. [`@interface NSOpenGLPixelBuffer : NSObject`](/documentation/AppKit/NSOpenGLPixelBuffer) An object that provides access to accelerated offscreen rendering. [`class NSOpenGLPixelFormat`](/documentation/AppKit/NSOpenGLPixelFormat) An object that specifies the types of buffers and other attributes of the OpenGL context. [`@interface NSCachedImageRep : NSImageRep`](/documentation/AppKit/NSCachedImageRep) An object that stores image data in a form that can be readily transferred to the screen. [`class NSDrawer`](/documentation/AppKit/NSDrawer) A user interface element that contains and displays text, scroll, and browser views, in addition to other view subclasses. [`class NSForm`](/documentation/AppKit/NSForm) An `NSForm` object is a vertical matrix of [`NSFormCell`](/documentation/AppKit/NSFormCell) objects to implement the fields. [`class NSFormCell`](/documentation/AppKit/NSFormCell) The `NSFormCell` class is used to implement text entry fields in a form. The left part of an `NSFormCell` object contains a title. The right part contains an editable text entry field. [`class NSMenuItemCell`](/documentation/AppKit/NSMenuItemCell) An object that handles the measurement and display of a single menu item in its encompassing frame. [`@interface NSInputManager : NSObject`](/documentation/AppKit/NSInputManager) [`@interface NSInputServer : NSObject`](/documentation/AppKit/NSInputServer) [`@interface NSMovie : NSObject`](/documentation/AppKit/NSMovie) ### Protocols [NSAccessibility](/documentation/AppKit/nsaccessibility) A legacy, informal protocol that Apple doesn’t recommend for active use. [NSEditor](/documentation/AppKit/nseditor-deprecated-symbols) A set of methods that controllers and UI elements can implement to manage editing. [`protocol NSEditorRegistration`](/documentation/AppKit/NSEditorRegistration) A set of methods that controllers can implement to enable an editor view to inform the controller when it has uncommitted changes. [`protocol NSInputServiceProvider`](/documentation/AppKit/NSInputServiceProvider) [`protocol NSInputServerMouseTracker`](/documentation/AppKit/NSInputServerMouseTracker) [`protocol NSDrawerDelegate`](/documentation/AppKit/NSDrawerDelegate) A set of methods that drawer delegates implement to open, close, and resize the drawer. ### Functions [`func NSConvertGlyphsToPackedGlyphs(UnsafeMutablePointer, Int, NSMultibyteGlyphPacking, UnsafeMutablePointer) -> Int`](/documentation/AppKit/NSConvertGlyphsToPackedGlyphs(_:_:_:_:)) Prepares a set of glyphs for processing by character-based routines. [`extern void NSOpenGLGetOption(NSOpenGLGlobalOption pname, GLint *param);`](/documentation/AppKit/NSOpenGLGetOption) Returns global OpenGL options. [`extern void NSOpenGLGetVersion(GLint *major, GLint *minor);`](/documentation/AppKit/NSOpenGLGetVersion) Returns the NSOpenGL version numbers. [`extern void NSOpenGLSetOption(NSOpenGLGlobalOption pname, GLint param);`](/documentation/AppKit/NSOpenGLSetOption) Sets global OpenGL options. [`static func raiseBadArgumentException(Any!, NSAccessibility.Attribute!, Any!)`](/documentation/AppKit/NSAccessibility-swift.struct/raiseBadArgumentException(_:_:_:)) Raises an error if the parameter is the wrong type or has an illegal value [`extern void NSBeginAlertSheet(NSString *title, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, NSWindow *docWindow, id modalDelegate, SEL didEndSelector, SEL didDismissSelector, void *contextInfo, NSString *msgFormat, ...);`](/documentation/AppKit/NSBeginAlertSheet) Creates and runs an alert sheet. [`extern void NSBeginCriticalAlertSheet(NSString *title, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, NSWindow *docWindow, id modalDelegate, SEL didEndSelector, SEL didDismissSelector, void *contextInfo, NSString *msgFormat, ...);`](/documentation/AppKit/NSBeginCriticalAlertSheet) Creates and runs a critical alert sheet. [`extern void NSBeginInformationalAlertSheet(NSString *title, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, NSWindow *docWindow, id modalDelegate, SEL didEndSelector, SEL didDismissSelector, void *contextInfo, NSString *msgFormat, ...);`](/documentation/AppKit/NSBeginInformationalAlertSheet) Creates and runs an informational alert sheet. [`extern idNSGetAlertPanel(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, ...);`](/documentation/AppKit/NSGetAlertPanel) Returns an alert panel. [`extern idNSGetCriticalAlertPanel(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, ...);`](/documentation/AppKit/NSGetCriticalAlertPanel) Returns an alert panel to display a critical message. [`extern idNSGetInformationalAlertPanel(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, ...);`](/documentation/AppKit/NSGetInformationalAlertPanel) Returns an alert panel to display an informational message. [`func NSReleaseAlertPanel(Any!)`](/documentation/AppKit/NSReleaseAlertPanel(_:)) Disposes of an alert panel. [`extern NSInteger NSRunAlertPanel(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, ...);`](/documentation/AppKit/NSRunAlertPanel) Creates an alert panel. [`extern NSInteger NSRunCriticalAlertPanel(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, ...);`](/documentation/AppKit/NSRunCriticalAlertPanel) Creates and runs a critical alert panel. [`extern NSInteger NSRunInformationalAlertPanel(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, ...);`](/documentation/AppKit/NSRunInformationalAlertPanel) Creates and runs an informational alert panel. [`extern NSInteger NSRunAlertPanelRelativeToWindow(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, NSWindow *docWindow, ...);`](/documentation/AppKit/NSRunAlertPanelRelativeToWindow) [`extern NSInteger NSRunCriticalAlertPanelRelativeToWindow(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, NSWindow *docWindow, ...);`](/documentation/AppKit/NSRunCriticalAlertPanelRelativeToWindow) [`extern NSInteger NSRunInformationalAlertPanelRelativeToWindow(NSString *title, NSString *msgFormat, NSString *defaultButton, NSString *alternateButton, NSString *otherButton, NSWindow *docWindow, ...);`](/documentation/AppKit/NSRunInformationalAlertPanelRelativeToWindow) [`func NSDisableScreenUpdates()`](/documentation/AppKit/NSDisableScreenUpdates()) Disables screen updates. [`func NSEnableScreenUpdates()`](/documentation/AppKit/NSEnableScreenUpdates()) Enables screen updates. [`func NSDrawColorTiledRects(NSRect, NSRect, UnsafePointer, AutoreleasingUnsafeMutablePointer, Int) -> NSRect`](/documentation/AppKit/NSDrawColorTiledRects(_:_:_:_:_:)) Draws a single-color, bordered rectangle. [`extern NSInterfaceStyle NSInterfaceStyleForKey(NSString *key, NSResponder *responder);`](/documentation/AppKit/NSInterfaceStyleForKey) Returns an interface style value for the specified key and responder. [`func NSSetShowsServicesMenuItem(String, Bool) -> Int`](/documentation/AppKit/NSSetShowsServicesMenuItem(_:_:)) Specifies whether an item should be included in Services menus. [`func NSCopyBits(Int, NSRect, NSPoint)`](/documentation/AppKit/NSCopyBits(_:_:_:)) Copies a bitmap image to the location specified by a destination point. [`extern void NSCountWindows(NSInteger *count);`](/documentation/AppKit/NSCountWindows) Counts the number of onscreen windows. [`extern void NSCountWindowsForContext(NSInteger context, NSInteger *count);`](/documentation/AppKit/NSCountWindowsForContext) Counts the number of onscreen windows belonging to a particular application. [`func NSShowsServicesMenuItem(String) -> Bool`](/documentation/AppKit/NSShowsServicesMenuItem(_:)) Specifies whether a Services menu item is currently enabled. [`func NSDottedFrameRect(NSRect)`](/documentation/AppKit/NSDottedFrameRect(_:)) Draws a bordered rectangle. [`extern void NSWindowList(NSInteger size, NSInteger list[]);`](/documentation/AppKit/NSWindowList) Gets information about onscreen windows. [`extern void NSWindowListForContext(NSInteger context, NSInteger size, NSInteger list[]);`](/documentation/AppKit/NSWindowListForContext) Gets information about an application’s onscreen windows. [`func NSReadPixel(NSPoint) -> NSColor?`](/documentation/AppKit/NSReadPixel(_:)) Reads the color of the pixel at the specified location. [`func NSGetWindowServerMemory(Int, UnsafeMutablePointer, UnsafeMutablePointer, AutoreleasingUnsafeMutablePointer) -> Int`](/documentation/AppKit/NSGetWindowServerMemory(_:_:_:_:)) Returns the amount of memory being used by a context. [`static func fileContentsType(forPathExtension: String) -> NSPasteboard.PasteboardType!`](/documentation/AppKit/NSPasteboard/PasteboardType/fileContentsType(forPathExtension:)) Returns a pasteboard type based on the passed file type. [`static func fileNameType(forPathExtension: String) -> NSPasteboard.PasteboardType!`](/documentation/AppKit/NSPasteboard/PasteboardType/fileNameType(forPathExtension:)) Returns a pasteboard type based on the passed file type. [`var representedPathExtension: String?`](/documentation/AppKit/NSPasteboard/PasteboardType/representedPathExtension) A file type based on the passed pasteboard type. [`static func representedPathExtensions(from: [NSPasteboard.PasteboardType]) -> [String]?`](/documentation/AppKit/NSPasteboard/PasteboardType/representedPathExtensions(from:)) Returns an array of file types based on the passed pasteboard types. ### Enumerations [`enum NSMultibyteGlyphPacking`](/documentation/AppKit/NSMultibyteGlyphPacking) A constant for glyph packing. [Glyph Attributes](/documentation/AppKit/glyph-attributes) Attributes that are used only inside the glyph generation machinery, but must also be shared between components. [`enum NSOpenGLGlobalOption`](/documentation/AppKit/NSOpenGLGlobalOption) Constants that specify OpenGL options. [`typedef NSUInteger NSInterfaceStyle;`](/documentation/AppKit/NSInterfaceStyle) These constants are used in `NSResponder`’s [`interfaceStyle`](/documentation/AppKit/NSResponder/interfaceStyle) method. [`NSNoUnderlineStyle`](/documentation/AppKit/NSNoUnderlineStyle) [`NSSingleUnderlineStyle`](/documentation/AppKit/NSSingleUnderlineStyle) [Data Entry Types](/documentation/AppKit/data-entry-types) These constants specify how a cell formats numeric data. [Anonymous](/documentation/AppKit/nsbuttontypes-anonymous) [Additional Writing Directions](/documentation/AppKit/additional-writing-directions) Constants that specify additional options when setting the writing direction of attributed strings. [Return values for modal operations](/documentation/AppKit/return-values-for-modal-operations) Historical return values for [`runModal(for:)`](/documentation/AppKit/NSApplication/runModal(for:)) and [`runModalSession(_:)`](/documentation/AppKit/NSApplication/runModalSession(_:)). [Tags of Views in the FontPanel](/documentation/AppKit/tags-of-views-in-the-fontpanel) These constants are obsolete and should not be used. ### Constants [`extern NSAccessibilityRole const NSAccessibilitySortButtonRole;`](/documentation/AppKit/NSAccessibilitySortButtonRole) The sort button role. [`extern NSUInteger NSUnderlineStrikethroughMask;`](/documentation/AppKit/NSUnderlineStrikethroughMask) [`extern NSColorSpaceName NSCalibratedBlackColorSpace;`](/documentation/AppKit/NSCalibratedBlackColorSpace) Calibrated color space with black and alpha components (pure black is 1.0) [`extern NSColorSpaceName NSDeviceBlackColorSpace;`](/documentation/AppKit/NSDeviceBlackColorSpace) Device-dependent color space with black and alpha components (pure black is 1.0) [`extern NSString * const NSPrintSavePath;`](/documentation/AppKit/NSPrintSavePath) An `NSString` object that specifies the pathname to which the job file will be saved when the [`jobDisposition`](/documentation/AppKit/NSPrintInfo/jobDisposition-swift.property) is [`save`](/documentation/AppKit/NSPrintInfo/JobDisposition-swift.struct/save).. --- Copyright © 2026 Apple Inc. 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