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# Deprecated symbols

Review symbols that are no longer in active development, and their recommended replacements.

## Overview

Although these symbols are available for use, Apple is no longer actively developing them, and may remove them in a future release. Apple recommends moving away from these symbols and using their indicated replacements instead. Check the individual symbol pages for the recommended replacements.

## Topics

### Deprecated constants

[`static const NSEventSubtype NSAWTEventType;`](/documentation/AppKit/NSAWTEventType)

An event type used to support Java applications.

[`static const NSEventSubtype NSApplicationActivatedEventType;`](/documentation/AppKit/NSApplicationActivatedEventType)

The application has been activated.

[`static const NSEventSubtype NSApplicationDeactivatedEventType;`](/documentation/AppKit/NSApplicationDeactivatedEventType)

The application has been deactivated.

[`static const NSEventSubtype NSMouseEventSubtype;`](/documentation/AppKit/NSMouseEventSubtype)

Indicates a purely mouse event.

[`static const NSEventSubtype NSPowerOffEventType;`](/documentation/AppKit/NSPowerOffEventType)

Specifies that the user is turning off the computer.

[`static const NSEventSubtype NSScreenChangedEventType;`](/documentation/AppKit/NSScreenChangedEventType)

An NSWindow has changed screens.

[`static const NSEventSubtype NSTabletPointEventSubtype;`](/documentation/AppKit/NSTabletPointEventSubtype)

Indicates a tablet-pointer event; see description of `NSTabletPoint`.

[`static const NSEventSubtype NSTabletProximityEventSubtype;`](/documentation/AppKit/NSTabletProximityEventSubtype)

Indicates a tablet-proximity event; see description of `NSTabletProximity`.

[`static const NSEventSubtype NSTouchEventSubtype;`](/documentation/AppKit/NSTouchEventSubtype)

Indicates a touch event subtype.

[`static const NSEventSubtype NSWindowExposedEventType;`](/documentation/AppKit/NSWindowExposedEventType)

A non-retained NSWindow has been exposed.

[`static const NSEventSubtype NSWindowMovedEventType;`](/documentation/AppKit/NSWindowMovedEventType)

An NSWindow has moved.


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