mx.accessibility

# ComboBoxAccImpl - AS3 Flex

Package | mx.accessibility
Class | public class ComboBoxAccImpl
Inheritance | ComboBoxAccImpl ComboBaseAccImpl AccImpl AccessibilityImplementation Object

Language Version: | ActionScript 3.0

Product Version: | Flex 3

Runtime Versions: | Flash Player 9, AIR 1.1

ComboBoxAccImpl is a subclass of AccessibilityImplementation which implements accessibility for the ComboBox class.

Public Properties
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| Property | Defined By
--- | --- | ---
|  | constructor : Object A reference to the class object or constructor function for a given object instance. | Object
|  | errno : uint Indicates an error code. | AccessibilityImplementation
|  | stub : Boolean Used to create a component accessibility stub. | AccessibilityImplementation

Protected Properties
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| Property | Defined By
--- | --- | ---
|  | eventsToHandle : Array [read-only] All subclasses must override this function by returning an array of strings of the events to listen for. | AccImpl
|  | master : UIComponent A reference to the UIComponent instance that this AccImpl instance is making accessible. | AccImpl
|  | role : uint Accessibility role of the component being made accessible. | AccImpl

Public Methods
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| Method | Defined By
--- | --- | ---
|  | ComboBoxAccImpl(master:UIComponent) Constructor. | ComboBoxAccImpl
|  | accDoDefaultAction(childID:uint):void An IAccessible method that performs the default action associated with the component that this AccessibilityImplementation represents or of one of its child elements. | AccessibilityImplementation
|  | accLocation(childID:uint):* MSAA method for returning a DisplayObject or Rectangle specifying the bounding box of a child element in the AccessibilityImplementation. | AccessibilityImplementation
|  | accSelect(operation:uint, childID:uint):void IAccessible method for altering the selection in the component that this AccessibilityImplementation represents. | AccessibilityImplementation
|  | enableAccessibility():void [static] Enables accessibility in the ComboBox class. | ComboBoxAccImpl
|  | get_accDefaultAction(childID:uint):String MSAA method for returning the default action of the component that this AccessibilityImplementation represents or of one of its child elements. | AccessibilityImplementation
|  | get_accFocus():uint MSAA method for returning the unsigned integer ID of the child element, if any, that has child focus within the component. | AccessibilityImplementation
|  | get_accName(childID:uint):String MSAA method for returning the name for the component that this AccessibilityImplementation represents or for one of its child elements. | AccessibilityImplementation
|  | get_accRole(childID:uint):uint MSAA method for returning the system role for the component that this AccessibilityImplementation represents or for one of its child elements. | AccessibilityImplementation
|  | get_accSelection():Array MSAA method for returning an array containing the IDs of all child elements that are selected. | AccessibilityImplementation
|  | get_accState(childID:uint):uint IAccessible method for returning the current runtime state of the component that this AccessibilityImplementation represents or of one of its child elements. | AccessibilityImplementation
|  | get_accValue(childID:uint):String MSAA method for returning the runtime value of the component that this AccessibilityImplementation represents or of one of its child elements. | AccessibilityImplementation
|  | get_selectionActiveIndex():* | AccessibilityImplementation
|  | get_selectionAnchorIndex():* | AccessibilityImplementation
|  | getChildIDArray():Array Returns an array containing the unsigned integer IDs of all child elements in the AccessibilityImplementation. | AccessibilityImplementation
|  | getFormName(component:UIComponent):String [static] Method for supporting Form Accessibility. | AccImpl
|  | hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined. | Object
|  | isAncestorDisabled(component:UIComponent):Boolean [static] Returns true if an ancestor of the component has enabled set to false. | AccImpl
|  | isLabeledBy(labelBounds:Rectangle):Boolean Returns true or false to indicate whether a text object having a bounding box specified by a x, y, width, and height should be considered a label for the component that this AccessibilityImplementation represents. | AccessibilityImplementation
|  | isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter. | Object
|  | propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable. | Object
|  | setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations. | Object
|  | toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions. | Object
|  | toString():String Returns the string representation of the specified object. | Object
|  | valueOf():Object Returns the primitive value of the specified object. | Object

Protected Methods
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| Method | Defined By
--- | --- | ---
|  | eventHandler(event:Event):void Generic event handler. | AccImpl
|  | getName(childID:uint):String Returns the name of the accessible component. | AccImpl
|  | getState(childID:uint):uint Utility method to determine state of the accessible component. | AccImpl

Constructor Detail

### ComboBoxAccImpl

()
Constructor

`public function ComboBoxAccImpl(master:UIComponent)`

Language Version: | ActionScript 3.0

Product Version: | Flex 3

Runtime Versions: | Flash Player 9, AIR 1.1

Constructor.

Parameters

| `master:UIComponent` — The UIComponent instance that this AccImpl instance is making accessible.

Method Detail

### enableAccessibility

()
method

`public static function enableAccessibility():void`

Language Version: | ActionScript 3.0

Product Version: | Flex 3

Runtime Versions: | Flash Player 9, AIR 1.1

Enables accessibility in the ComboBox class.

This method is called by application startup code that is autogenerated by the MXML compiler. Afterwards, when instances of ComboBox are initialized, their `accessibilityImplementation` property will be set to an instance of this class.

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Mon Apr 10 2017, 12:28 PM -07:00