Documentation for ActionScript™ classes includes syntax, usage information, and code samples for methods, properties, and event handlers and listeners that belong to a specific class in ActionScript™ (as opposed to global functions or properties). The classes are listed alphabetically. If you are not sure to which class a certain member belongs, you can look it up in the Index.
| Class | Package | Description | |
|---|---|---|---|
| Accessibility | flash.accessibility | The Accessibility class manages communication with screen readers. | |
| AccessibilityProperties | flash.accessibility | The AccessibilityProperties class lets you control the presentation of Flash objects to accessibility aids, such as screen readers. | |
| ActionScriptVersion | flash.display | The ActionScriptVersion class is an enumeration of constant values that indicate the language version of a loaded SWF file. | |
| ActivityEvent | flash.events | A Camera or Microphone object dispatches an ActivityEvent object whenever a camera or microphone reports that it has become active or inactive. | |
| AntiAliasType | flash.text | The AntiAliasType class provides values for anti-aliasing in the flash.text.TextField class. | |
| ApplicationDomain | flash.system | The ApplicationDomain class is a container for discrete groups of class definitions. | |
| ArgumentError | Top Level | The ArgumentError class represents an error that occurs when the arguments supplied in a function do not match the arguments defined for that function. | |
| arguments | Top Level | An arguments object is used to store and access a function's arguments. | |
| Array | Top Level | The Array class lets you access and manipulate arrays. | |
| AsyncErrorEvent | flash.events | Flash® Player dispatches an AsyncErrorEvent when an exception is thrown from native asynchronous code, which could be from, for example, LocalConnection, NetConnection, SharedObject, or NetStream. | |
| AVM1Movie | flash.display | AVM1Movie is a simple class that represents AVM1 movie clips, which use ActionScript 1.0 or 2.0. | |
| BevelFilter | flash.filters | The BevelFilter class lets you add a bevel effect to display objects. | |
| Bitmap | flash.display | The Bitmap class represents display objects that represent bitmap images. | |
| BitmapData | flash.display | The BitmapData class lets you work with the data (pixels) of a Bitmap object. | |
| BitmapDataChannel | flash.display | The BitmapDataChannel class is an enumeration of constant values that indicate which channel to use: red, blue, green, or alpha transparency. | |
| BitmapFilter | flash.filters | The BitmapFilter class is the base class for all image filter effects. | |
| BitmapFilterQuality | flash.filters | The BitmapFilterQuality class contains values to set the rendering quality of a BitmapFilter object. | |
| BitmapFilterType | flash.filters | The BitmapFilterType class contains values to set the type of a BitmapFilter. | |
| BlendMode | flash.display | A class that provides constant values for visual blend mode effects. | |
| BlurFilter | flash.filters | The BlurFilter class lets you apply a blur visual effect to display objects. | |
| Boolean | Top Level | A Boolean object is a data type that can have one of two values, either true or false, used for logical operations. | |
| BreakOpportunity | flash.text.engine | The BreakOpportunity class is an enumeration of constant values that you can use to set the breakOpportunity property of the ElementFormat class. | |
| ByteArray | flash.utils | The ByteArray class provides methods and properties to optimize reading, writing, and working with binary data. | |
| Camera | flash.media | Use the Camera class to capture video from a camera attached to a computer running Flash Player. | |
| Capabilities | flash.system | The Capabilities class provides properties that describe the system and player that are hosting a SWF file. | |
| CapsStyle | flash.display | The CapsStyle class is an enumeration of constant values that specify the caps style to use in drawing lines. | |
| CFFHinting | flash.text.engine | The CFFHinting class defines values for cff hinting in the FontDescription class. | |
| Class | Top Level | A Class object is created for each class definition in a program. | |
| Clipboard | flash.desktop | The Clipboard class provides a container for transferring data and objects through the clipboard and through drag-and-drop operations (AIR only). | |
| ClipboardFormats | flash.desktop | Defines constants for the names of the standard data formats used with the Clipboard class. | |
| ClipboardTransferMode | flash.desktop | Defines constants for the modes used as values of the transferMode parameter of the Clipboard.getData() method. | |
| ColorCorrection | flash.display | The ColorCorrection class provides values for the flash.display.Stage.colorCorrection property. | |
| ColorCorrectionSupport | flash.display | The ColorCorrectionSupport class provides values for the flash.display.Stage.colorCorrectionSupport property. | |
| ColorMatrixFilter | flash.filters | The ColorMatrixFilter class lets you apply a 4 x 5 matrix transformation on the RGBA color and alpha values of every pixel in the input image to produce a result with a new set of RGBA color and alpha values. | |
| ColorTransform | flash.geom | The ColorTransform class lets you adjust the color values in a display object. | |
| ContentElement | flash.text.engine | The ContentElement class serves as a base class for the element types that can appear in a GroupElement, namely a GraphicElement, another GroupElement, or a TextElement. | |
| ContextMenu | flash.ui | The ContextMenu class provides control over the items in the Flash Player context menu. | |
| ContextMenuBuiltInItems | flash.ui | The ContextMenuBuiltInItems class describes the items that are built in to a context menu. | |
| ContextMenuClipboardItems | flash.ui | The ContextMenuClipboardItems class determines which items are enabled or disabled on the clipboard context menu. | |
| ContextMenuEvent | flash.events | Flash® Player dispatches ContextMenuEvent objects when a user generates or interacts with the context menu. | |
| ContextMenuItem | flash.ui | Use the ContextMenuItem class to create custom menu items to display in the Flash Player context menu. | |
| ConvolutionFilter | flash.filters | The ConvolutionFilter class applies a matrix convolution filter effect. | |
| CSMSettings | flash.text | The CSMSettings class contains properties for use with the TextRenderer.setAdvancedAntiAliasingTable() method to provide continuous stroke modulation (CSM). | |
| CustomActions | adobe.utils | The methods of the CustomActions class allow a SWF file playing in the Flash authoring tool to manage any custom actions that are registered with the authoring tool. | |
| DataEvent | flash.events | Flash® Player dispatches DataEvent objects when raw data has completed loading into Flash Player. | |
| Date | Top Level | The Date class represents date and time information. | |
| DefinitionError | Top Level | The DefinitionError class represents an error that occurs when user code attempts to define an identifier that is already defined. | |
| DeleteObjectSample | flash.sampler | The DeleteObjectSample class represents objects that are created within a getSamples() stream; each DeleteObjectSample object corresponds to a NewObjectSample object. | |
| Dictionary | flash.utils | The Dictionary class lets you create a dynamic collection of properties, which uses strict equality (===) for key comparison. | |
| DigitCase | flash.text.engine | The DigitCase class is an enumeration of constant values used in setting the digitCase property of the ElementFormat class. | |
| DigitWidth | flash.text.engine | The DigitWidth class is an enumeration of constant values used in setting the digitWidth property of the ElementFormat class. | |
| DisplacementMapFilter | flash.filters | The DisplacementMapFilter class uses the pixel values from the specified BitmapData object (called the displacement map image) to perform a displacement of an object. | |
| DisplacementMapFilterMode | flash.filters | The DisplacementMapFilterMode class provides values for the mode property of the DisplacementMapFilter class. | |
| DisplayObject | flash.display | The DisplayObject class is the base class for all objects that can be placed on the display list. | |
| DisplayObjectContainer | flash.display | The DisplayObjectContainer class is the base class for all objects that can serve as display object containers on the display list. | |
| DropShadowFilter | flash.filters | The DropShadowFilter class lets you add a drop shadow to display objects. | |
| EastAsianJustifier | flash.text.engine | The EastAsianJustifier class has properties to control the justification options for text lines whose content is primarily East Asian text. | |
| ElementFormat | flash.text.engine | The ElementFormat class represents formatting information which can be applied to a ContentElement. | |
| Endian | flash.utils | The Endian class contains values that denote the byte order used to represent multibyte numbers. | |
| EOFError | flash.errors | An EOFError exception is thrown when you attempt to read past the end of the available data. | |
| Error | Top Level | The Error class contains information about an error that occurred in a script. | |
| ErrorEvent | flash.events | Flash® Player dispatches ErrorEvent objects when an error causes a network operation to fail. | |
| EvalError | Top Level | The EvalError class represents an error that occurs when user code calls the eval() function or attempts to use the new operator with the Function object. | |
| Event | flash.events | The Event class is used as the base class for the creation of Event objects, which are passed as parameters to event listeners when an event occurs. | |
| EventDispatcher | flash.events | The EventDispatcher class implements the IEventDispatcher interface and is the base class for the DisplayObject class. | |
| EventPhase | flash.events | The EventPhase class provides values for the eventPhase property of the Event class. | |
| ExternalInterface | flash.external | The ExternalInterface class is the External API, an application programming interface that enables straightforward communication between ActionScript and the Flash Player container– for example, an HTML page with JavaScript. | |
| FileFilter | flash.net | The FileFilter class is used to indicate what files on the user's system are shown in the file-browsing dialog box that is displayed when FileReference.browse() or FileReferenceList.browse() is called. | |
| FileReference | flash.net | The FileReference class provides a means to load and save local files and to upload and download files between a user's computer and a server. | |
| FileReferenceList | flash.net | The FileReferenceList class provides a means to let users select one or more files for uploading. | |
| FocusEvent | flash.events | Flash® Player dispatches FocusEvent objects when the user changes the focus from one object in the display list to another. | |
| Font | flash.text | The Font class is used to manage embedded fonts in SWF files. | |
| FontDescription | flash.text.engine | The FontDescription class represents properties necessary to describe a font. | |
| FontLookup | flash.text.engine | The FontLookup class is an enumeration of constant values used with FontDescription.fontLookup. | |
| FontMetrics | flash.text.engine | The FontMetrics class contains measurement and offset information about a font. | |
| FontPosture | flash.text.engine | The FontPosture class is an enumeration of constant values used with FontDescription.fontPosture. | |
| FontStyle | flash.text | The FontStyle class provides values for the TextRenderer class. | |
| FontType | flash.text | The FontType class contains the enumerated constants "embedded" and "device" for the fontType property of the Font class. | |
| FontWeight | flash.text.engine | The FontWeight class is an enumeration of constant values used with FontDescription.fontWeight. | |
| FrameLabel | flash.display | The FrameLabel object contains properties that specify a frame number and the corresponding label name. | |
| FullScreenEvent | flash.events | Flash® Player dispatches a FullScreenEvent object whenever the Stage enters or leaves full-screen display mode. | |
| Function | Top Level | A function is the basic unit of code that can be invoked in ActionScript. | |
| GlowFilter | flash.filters | The GlowFilter class lets you apply a glow effect to display objects. | |
| GradientBevelFilter | flash.filters | The GradientBevelFilter class lets you apply a gradient bevel effect to display objects. | |
| GradientGlowFilter | flash.filters | The GradientGlowFilter class lets you apply a gradient glow effect to display objects. | |
| GradientType | flash.display | The GradientType class provides values for the type parameter in the beginGradientFill() and lineGradientStyle() methods of the flash.display.Graphics class. | |
| GraphicElement | flash.text.engine | The GraphicElement class represents a graphic element in a TextBlock or GroupElement object. | |
| Graphics | flash.display | The Graphics class contains a set of methods that you can use to create a vector shape. | |
| GraphicsBitmapFill | flash.display | Defines a bitmap fill. | |
| GraphicsEndFill | flash.display | Indicates the end of a graphics fill. | |
| GraphicsGradientFill | flash.display | Defines a gradient fill. | |
| GraphicsPath | flash.display | A collection of drawing commands and the coordinate parameters for those commands. | |
| GraphicsPathCommand | flash.display | Defines the values to use for specifying path-drawing commands. | |
| GraphicsPathWinding | flash.display | The GraphicsPathWinding class provides values for the flash.display.GraphicsPath.winding property and the flash.display.Graphics.drawPath() method to determine the direction to draw a path. | |
| GraphicsShaderFill | flash.display | Defines a shader fill. | |
| GraphicsSolidFill | flash.display | Defines a solid fill. | |
| GraphicsStroke | flash.display | Defines a line style or stroke. | |
| GraphicsTrianglePath | flash.display | Defines an ordered set of triangles that can be rendered using either (u,v) fill coordinates or a normal fill. | |
| GridFitType | flash.text | The GridFitType class defines values for grid fitting in the TextField class. | |
| GroupElement | flash.text.engine | A GroupElement object groups a collection of TextElement, GraphicElement, or other GroupElement objects that you can assign as a whole to the content property of a TextBlock object. | |
| HTTPStatusEvent | flash.events | Flash® Player dispatches HTTPStatusEvent objects when a network request returns an HTTP status code. | |
| IBitmapDrawable | flash.display | The IBitmapDrawable interface is implemented by objects that can be passed as the source parameter of the draw() method of the BitmapData class. | |
| ID3Info | flash.media | The ID3Info class contains properties that reflect ID3 metadata. | |
| IDataInput | flash.utils | The IDataInput interface provides a set of methods for reading binary data. | |
| IDataOutput | flash.utils | The IDataOutput interface provides a set of methods for writing binary data. | |
| IDynamicPropertyOutput | flash.net | This interface controls the serialization of dynamic properties of dynamic objects. | |
| IDynamicPropertyWriter | flash.net | This interface is used with the IDynamicPropertyOutput interface to control the serialization of dynamic properties of dynamic objects. | |
| IEventDispatcher | flash.events | The IEventDispatcher interface defines methods for adding or removing event listeners, checks whether specific types of event listeners are registered, and dispatches events. | |
| IExternalizable | flash.utils | The IExternalizable interface provides control over serialization of a class as it is encoded into a data stream. | |
| IGraphicsData | flash.display | This interface is used to define objects that can be used as parameters in the flash.display.Graphics methods, including fills, strokes, and paths. | |
| IGraphicsFill | flash.display | This interface is used to define objects that can be used as fill parameters in the flash.display.Graphics methods and drawing classes. | |
| IGraphicsPath | flash.display | This interface is used to define objects that can be used as path parameters in the flash.display.Graphics methods and drawing classes. | |
| IGraphicsStroke | flash.display | This interface is used to define objects that can be used as stroke parameters in the flash.display.Graphics methods and drawing classes. | |
| IllegalOperationError | flash.errors | The IllegalOperationError exception is thrown when a method is not implemented or the implementation doesn't cover the current usage. | |
| IME | flash.system | The IME class lets you directly manipulate the operating system's input method editor (IME) in the Flash Player application that is running on a client computer. | |
| IMEConversionMode | flash.system | This class contains constants for use with the IME.conversionMode property. | |
| IMEEvent | flash.events | Flash® Player dispatches IMEEvent objects when a user enters text using an input method editor (IME). | |
| int | Top Level | The int class lets you work with the data type representing a 32-bit signed integer. | |
| InteractiveObject | flash.display | The InteractiveObject class is the abstract base class for all display objects with which the user can interact, using the mouse and keyboard. | |
| InterpolationMethod | flash.display | The InterpolationMethod class provides values for the interpolationMethod parameter in the Graphics.beginGradientFill() and Graphics.lineGradientStyle() methods. | |
| InvalidSWFError | flash.errors | Flash Player throws this exception when it encounters a corrupted SWF file. | |
| IOError | flash.errors | The IOError exception is thrown when some type of input or output failure occurs. | |
| IOErrorEvent | flash.events | Flash® Player dispatches an IOErrorEvent object when an error causes a send or load operation to fail. | |
| JointStyle | flash.display | The JointStyle class is an enumeration of constant values that specify the joint style to use in drawing lines. | |
| JPEGLoaderContext | flash.system | JPEGLoaderContext class includes a property for enabling a deblocking filter when loading a JPEG image. | |
| JustificationStyle | flash.text.engine | The JustificationStyle class is an enumeration of constant values for setting the justificationStyle property of the EastAsianJustifier class. | |
| Kerning | flash.text.engine | The Kerning class is an enumeration of constant values used with ElementFormat.kerning. | |
| Keyboard | flash.ui | The Keyboard class is used to build an interface that can be controlled by a user with a standard keyboard. | |
| KeyboardEvent | flash.events | Flash® Player dispatches KeyboardEvent objects in response to user input through a keyboard. | |
| KeyLocation | flash.ui | The KeyLocation class contains constants that indicate the location of a key pressed on the keyboard. | |
| LigatureLevel | flash.text.engine | The LigatureLevel class is an enumeration of constant values used in setting the ligatureLevel property of the ElementFormat class. | |
| LineJustification | flash.text.engine | The LineJustification class is an enumeration of constant values used in setting the lineJustfication property of the TextJustifier subclasses. | |
| LineScaleMode | flash.display | The LineScaleMode class provides values for the scaleMode parameter in the Graphics.lineStyle() method. | |
| Loader | flash.display | The Loader class is used to load SWF files or image (JPG, PNG, or GIF) files. | |
| LoaderContext | flash.system | The LoaderContext class provides options for loading SWF files and other media by using the Loader class. | |
| LoaderInfo | flash.display | The LoaderInfo class provides information about a loaded SWF file or a loaded image file (JPEG, GIF, or PNG). | |
| LocalConnection | flash.net | The LocalConnection class lets you create a LocalConnection object that can invoke a method in another LocalConnection object, either within a single SWF file or between multiple SWF files. | |
| Math | Top Level | The Math class contains methods and constants that represent common mathematical functions and values. | |
| Matrix | flash.geom | The Matrix class represents a transformation matrix that determines how to map points from one coordinate space to another. | |
| Matrix3D | flash.geom | The Matrix3D class represents a transformation matrix that determines the position and orientation of a three-dimensional (3D) display object. | |
| MemoryError | flash.errors | The MemoryError exception is thrown when a memory allocation request fails. | |
| Microphone | flash.media | Use the Microphone class to capture audio from a microphone attached to a computer running Flash Player. | |
| MorphShape | flash.display | The MorphShape class represents MorphShape objects on the display list. | |
| Mouse | flash.ui | The methods of the Mouse class are used to hide and show the mouse pointer, or to set the pointer to a specific style. | |
| MouseCursor | flash.ui | The MouseCursor class is an enumeration of constant values used in setting the cursor property of the Mouse class. | |
| MouseEvent | flash.events | Flash® Player dispatches MouseEvent objects into the event flow whenever mouse events occur. | |
| MovieClip | flash.display | The MovieClip class inherits from the following classes: Sprite, DisplayObjectContainer, InteractiveObject, DisplayObject, and EventDispatcher. | |
| Namespace | Top Level | The Namespace class contains methods and properties for defining and working with namespaces. | |
| NetConnection | flash.net | The NetConnection class creates a bidirectional connection between Flash Player and a Flash Media Server application or between Flash Player and an application server running Flash Remoting. | |
| NetStatusEvent | flash.events | Flash® Player dispatches NetStatusEvent objects when a NetConnection, NetStream, or SharedObject object reports its status. | |
| NetStream | flash.net | The NetStream class opens a one-way streaming connection between Flash Player and Flash Media Server, or between Flash Player and the local file system. | |
| NetStreamInfo | flash.net | The NetStreamInfo class specifies the various Quality of Service (QOS) statistics related to a NetStream object and the underlying streaming buffer for audio, video, and data. | |
| NetStreamPlayOptions | flash.net | The NetStreamPlayOptions class specifies the various options that can be passed to the NetStream.play2() method. | |
| NetStreamPlayTransitions | flash.net | The NetStreamPlayTransitions class specifies the valid strings that you can use with the NetStreamPlayOptions.transition property. | |
| NewObjectSample | flash.sampler | The NewObjectSample class represents objects that are created within a getSamples() stream. | |
| Number | Top Level | A data type representing an IEEE-754 double-precision floating-point number. | |
| Object | Top Level | The Object class is at the root of the ActionScript class hierarchy. | |
| ObjectEncoding | flash.net | The ObjectEncoding class allows classes that serialize objects (such as NetStream, NetConnection, SharedObject, and ByteArray) to work with prior versions of ActionScript. | |
| Orientation3D | flash.geom | The Orientation3D class is an enumeration of constant values for representing the orientation style of a Matrix3D object. | |
| PerspectiveProjection | flash.geom | The PerspectiveProjection class provides an easy way to assign or modify the perspective transformations of a display object and all of its children. | |
| PixelSnapping | flash.display | The PixelSnapping class is an enumeration of constant values for setting the pixel snapping options by using the pixelSnapping property of a Bitmap object. | |
| Point | flash.geom | The Point object represents a location in a two-dimensional coordinate system, where x represents the horizontal axis and y represents the vertical axis. | |
| PrintJob | flash.printing | The PrintJob class lets you create content and print it to one or more pages. | |
| PrintJobOptions | flash.printing | The PrintJobOptions class contains properties to use with the options parameter of the PrintJob.addPage() method. | |
| PrintJobOrientation | flash.printing | This class provides values that are used by the PrintJob.orientation property for the image position of a printed page. | |
| ProgressEvent | flash.events | Flash® Player dispatches ProgressEvent objects when a load operation has begun or a socket has received data. | |
| Proxy | flash.utils | The Proxy class lets you override the default behavior of ActionScript operations (such as retrieving and modifying properties) on an object. | |
| QName | Top Level | QName objects represent qualified names of XML elements and attributes. | |
| RangeError | Top Level | A RangeError exception is thrown when a numeric value is outside the acceptable range. | |
| Rectangle | flash.geom | A Rectangle object is an area defined by its position, as indicated by its top-left corner point (x, y) and by its width and its height. | |
| ReferenceError | Top Level | A ReferenceError exception is thrown when a reference to an undefined property is attempted on a sealed (nondynamic) object. | |
| RegExp | Top Level | The RegExp class lets you work with regular expressions, which are patterns that you can use to perform searches in strings and to replace text in strings. | |
| RenderingMode | flash.text.engine | The RenderingMode class provides values for rendering mode in the flash.text.engine.FontDescription class. | |
| Responder | flash.net | The Responder class provides an object that is used in NetConnection.call() to handle return values from the server related to the success or failure of specific operations. | |
| Sample | flash.sampler | The Sample class creates objects that hold memory analysis information over distinct durations. | |
| SampleDataEvent | flash.events | Dispatched when the player requests new audio data. | |
| Scene | flash.display | The Scene class includes properties for identifying the name, labels, and number of frames in a scene. | |
| ScriptTimeoutError | flash.errors | The ScriptTimeoutError exception is thrown when the script timeout interval is reached. | |
| Security | flash.system | The Security class lets you specify how content in different domains can communicate with each other. | |
| SecurityDomain | flash.system | The SecurityDomain class represents the current security "sandbox," also known as a security domain. | |
| SecurityError | Top Level | The SecurityError exception is thrown when some type of security violation takes place. | |
| SecurityErrorEvent | flash.events | Flash® Player dispatches SecurityErrorEvent objects to report the occurrence of a security error. | |
| SecurityPanel | flash.system | The SecurityPanel class provides values for specifying which Security Settings panel you want to display. | |
| Shader | flash.display | A Shader instance represents a Pixel Bender shader kernel in ActionScript. | |
| ShaderData | flash.display | A ShaderData object contains properties representing any parameters and inputs for a shader kernel, as well as properties containing any metadata specified for the shader. | |
| ShaderEvent | flash.events | A ShaderEvent is dispatched when a shader operation launched from a ShaderJob finishes. | |
| ShaderFilter | flash.filters | The ShaderFilter class applies a filter by executing a shader on the object being filtered. | |
| ShaderInput | flash.display | A ShaderInput instance represents a single input image for a shader kernel. | |
| ShaderJob | flash.display | A ShaderJob instance is used to execute a shader operation in stand-alone mode. | |
| ShaderParameter | flash.display | A ShaderParameter instance represents a single input parameter of a shader kernel. | |
| ShaderParameterType | flash.display | This class defines the constants that represent the possible values for the ShaderParameter class's type property. | |
| ShaderPrecision | flash.display | This class defines the constants that represent the possible values for the Shader class's precisionHint property. | |
| Shape | flash.display | The Shape class is used to create lightweight shapes by using the ActionScript drawing application program interface (API). | |
| SharedObject | flash.net | The SharedObject class is used to read and store limited amounts of data on a user's computer or on a server. | |
| SharedObjectFlushStatus | flash.net | The SharedObjectFlushStatus class provides values for the code returned from a call to the SharedObject.flush() method. | |
| SimpleButton | flash.display | The SimpleButton class lets you control all instances of button symbols in a SWF file. | |
| Socket | flash.net | The Socket class enables ActionScript code to make socket connections and to read and write raw binary data. | |
| Sound | flash.media | The Sound class lets you work with sound in an application. | |
| SoundChannel | flash.media | The SoundChannel class controls a sound in an application. | |
| SoundCodec | flash.media | The SoundCodec class is an enumeration of constant values used in setting the codec property of the Microphone class. | |
| SoundLoaderContext | flash.media | The SoundLoaderContext class provides security checks for SWF files that load sound. | |
| SoundMixer | flash.media | The SoundMixer class contains static properties and methods for global sound control in the application. | |
| SoundTransform | flash.media | The SoundTransform class contains properties for volume and panning. | |
| SpaceJustifier | flash.text.engine | The SpaceJustifier class represents properties that control the justification options for text lines in a text block. | |
| SpreadMethod | flash.display | The SpreadMethod class provides values for the spreadMethod parameter in the beginGradientFill() and lineGradientStyle() methods of the Graphics class. | |
| Sprite | flash.display | The Sprite class is a basic display list building block: a display list node that can display graphics and can also contain children. | |
| StackFrame | flash.sampler | The StackFrame class provides access to the properties of a data block containing a function. | |
| StackOverflowError | flash.errors | ActionScript throws a StackOverflowError exception when the stack available to the script is exhausted. | |
| Stage | flash.display | The Stage class represents the main drawing area. | |
| StageAlign | flash.display | The StageAlign class provides constant values to use for the Stage.align property. | |
| StageDisplayState | flash.display | The StageDisplayState class provides values for the Stage.displayState property. | |
| StageQuality | flash.display | The StageQuality class provides values for the Stage.quality property. | |
| StageScaleMode | flash.display | The StageScaleMode class provides values for the Stage.scaleMode property. | |
| StaticText | flash.text | This class represents StaticText objects on the display list. | |
| StatusEvent | flash.events | Flash® Player dispatches StatusEvent objects when a device, such as a camera or microphone, or an object such as a LocalConnection object reports its status. | |
| String | Top Level | The String class is a data type that represents a string of characters. | |
| StyleSheet | flash.text | The StyleSheet class lets you create a StyleSheet object that contains text formatting rules for font size, color, and other styles. | |
| SWFVersion | flash.display | The SWFVersion class is an enumeration of constant values that indicate the file format version of a loaded SWF file. | |
| SyncEvent | flash.events | Flash® Player dispatches SyncEvent objects when a remote SharedObject instance has been updated by the server. | |
| SyntaxError | Top Level | A SyntaxError exception is thrown when a parsing error occurs, for one of the following reasons:. | |
| System | flash.system | The System class contains properties related to certain operations that take place on the user's computer, such as operations with shared objects, local settings for cameras and microphones, and use of the Clipboard. | |
| TabAlignment | flash.text.engine | The TabAlignment class is an enumeration of constant values that you can use to set the tabAlignment property of the TabStop class. | |
| TabStop | flash.text.engine | The TabStop class represents the properties of a tab stop in a text block. | |
| TextBaseline | flash.text.engine | The TextBaseline class is an enumeration of constant values to use in setting the dominantBaseline and alignmentBaseline properties of the ElementFormat class. | |
| TextBlock | flash.text.engine | The TextBlock class is a factory for the creation of TextLine objects, which you can render by placing them on the display list. | |
| TextColorType | flash.text | The TextColorType class provides color values for the flash.text.TextRenderer class. | |
| TextDisplayMode | flash.text | The TextDisplayMode class contains values that control the subpixel anti-aliasing of the advanced anti-aliasing system. | |
| TextElement | flash.text.engine | The TextElement class represents a string of formatted text. | |
| TextEvent | flash.events | Flash® Player dispatches TextEvent objects when a user enters text in a text field or clicks a hyperlink in an HTML-enabled text field. | |
| TextField | flash.text | The TextField class is used to create display objects for text display and input. | |
| TextFieldAutoSize | flash.text | The TextFieldAutoSize class is an enumeration of constant values used in setting the autoSize property of the TextField class. | |
| TextFieldType | flash.text | The TextFieldType class is an enumeration of constant values used in setting the type property of the TextField class. | |
| TextFormat | flash.text | The TextFormat class represents character formatting information. | |
| TextFormatAlign | flash.text | The TextFormatAlign class provides values for text alignment in the TextFormat class. | |
| TextJustifier | flash.text.engine | The TextJustifier class is an abstract base class for the justifier types that you can apply to a TextBlock, specifically the EastAsianJustifier and SpaceJustifier classes. | |
| TextLine | flash.text.engine | The TextLine class is used to display text on the display list. | |
| TextLineCreationResult | flash.text.engine | The TextLineCreationResult class is an enumeration of constant values used with TextBlock.textLineCreationResult. | |
| TextLineMetrics | flash.text | The TextLineMetrics class contains information about the text position and measurements of a line of text within a text field. | |
| TextLineMirrorRegion | flash.text.engine | The TextLineMirrorRegion class represents a portion of a text line wherein events are mirrored to another event dispatcher. | |
| TextLineValidity | flash.text.engine | The TextLineValidity class is an enumeration of constant values for setting the validity property of the TextLine class. | |
| TextRenderer | flash.text | The TextRenderer class provides functionality for the advanced anti-aliasing capability of embedded fonts. | |
| TextRotation | flash.text.engine | The TextRotation class is an enumeration of constant values used with the following properties: ElementFormat.textRotation, ContentElement.textRotation, TextBlock.lineRotation, and TextLine.getAtomTextRotation(). | |
| TextSnapshot | flash.text | TextSnapshot objects let you work with static text in a movie clip. | |
| Timer | flash.utils | The Timer class is the interface to Flash Player timers. | |
| TimerEvent | flash.events | Flash® Player dispatches TimerEvent objects whenever a Timer object reaches the interval specified by the Timer.delay property. | |
| Transform | flash.geom | The Transform class provides access to color adjustment properties and two- or three-dimensional transformation objects that can be applied to a display object. | |
| TriangleCulling | flash.display | Defines codes for culling algorithms that determine which triangles not to render when drawing triangle paths. | |
| TypeError | Top Level | A TypeError exception is thrown when the actual type of an operand is different from the expected type. | |
| TypographicCase | flash.text.engine | The TypographicCase class is an enumeration of constant values for setting the typographicCase property of the ElementFormat class. | |
| uint | Top Level | The uint class provides methods for working with a data type representing a 32-bit unsigned integer. | |
| URIError | Top Level | A URIError exception is thrown when one of the global URI handling functions is used in a way that is incompatible with its definition. | |
| URLLoader | flash.net | The URLLoader class downloads data from a URL as text, binary data, or URL-encoded variables. | |
| URLLoaderDataFormat | flash.net | The URLLoaderDataFormat class provides values that specify how downloaded data is received. | |
| URLRequest | flash.net | The URLRequest class captures all of the information in a single HTTP request. | |
| URLRequestHeader | flash.net | A URLRequestHeader object encapsulates a single HTTP request header and consists of a name/value pair. | |
| URLRequestMethod | flash.net | The URLRequestMethod class provides values that specify whether the URLRequest object should use the POST method or the GET method when sending data to a server. | |
| URLStream | flash.net | The URLStream class provides low-level access to downloading URLs. | |
| URLVariables | flash.net | The URLVariables class allows you to transfer variables between an application and a server. | |
| Utils3D | flash.geom | The Utils3D class contains static methods that simplify the implementation of certain three-dimensional matrix operations. | |
| Vector | Top Level | The Vector class lets you access and manipulate a vector — an array whose elements all have the same data type. | |
| Vector3D | flash.geom | The Vector3D class represents a point or a location in the three-dimensional space using the Cartesian coordinates x, y, and z. | |
| VerifyError | Top Level | The VerifyError class represents an error that occurs when a malformed or corrupted SWF file is encountered. | |
| Video | flash.media | The Video class displays live or recorded video in an application without embedding the video in your SWF file. | |
| XML | Top Level | The XML class contains methods and properties for working with XML objects. | |
| XMLDocument | flash.xml | The XMLDocument class represents the legacy XML object that was present in ActionScript 2.0. | |
| XMLList | Top Level | The XMLList class contains methods for working with one or more XML elements. | |
| XMLNode | flash.xml | The XMLNode class represents the legacy XML object that was present in ActionScript 2.0 and that was renamed in ActionScript 3.0. | |
| XMLNodeType | flash.xml | The XMLNodeType class contains constants used with XMLNode.nodeType. | |
| XMLSocket | flash.net | The XMLSocket class implements client sockets that let the computer that is running Flash Player communicate with a server computer identified by an IP address or domain name. | |
| XMLUI | adobe.utils | The XMLUI class enables communication with SWF files that are used as custom user interfaces for the Flash authoring tool's extensibility features. |