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</script><div xmlns:fn="http://www.w3.org/2005/xpath-functions" class="MainContent"><table class="classHeaderTable" cellpadding="0" cellspacing="0"><tr><td class="classHeaderTableLabel">Package</td><td><a href="package-detail.html" onclick="javascript:loadClassListFrame('class-list.html')">spark.accessibility</a></td></tr><tr><td class="classHeaderTableLabel">Class</td><td class="classSignature">public class CheckBoxAccImpl</td></tr><tr><td class="classHeaderTableLabel">Inheritance</td><td class="inheritanceList">CheckBoxAccImpl <img src="../../images/inherit-arrow.gif" title="Inheritance" alt="Inheritance" class="inheritArrow"> <a href="../../spark/accessibility/ButtonBaseAccImpl.html">ButtonBaseAccImpl</a> <img src="../../images/inherit-arrow.gif" title="Inheritance" alt="Inheritance" class="inheritArrow"> <a href="../../mx/accessibility/AccImpl.html">AccImpl</a> <img src="../../images/inherit-arrow.gif" title="Inheritance" alt="Inheritance" class="inheritArrow"> flash.accessibility.AccessibilityImplementation</td></tr><tr><td class="classHeaderTableLabel">Subclasses</td><td> <a href="../../spark/accessibility/RadioButtonAccImpl.html">RadioButtonAccImpl</a></td></tr></table><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version :&nbsp;</b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version :&nbsp;</b></td><td>Flex 4</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions :&nbsp;</b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p></p><p></p>
CheckBoxAccImpl is the accessibility implementation class
for spark.components.CheckBox.
<p>When a Spark CheckBox is created,
its <code>accessibilityImplementation</code> property
is set to an instance of this class.
The Flash Player then uses this class to allow MSAA clients
such as screen readers to see and manipulate the CheckBox.
See the mx.accessibility.AccImpl and
flash.accessibility.AccessibilityImplementation classes
for background information about accessibility implementation
classes and MSAA.</p>
<p>
<b>Children</b>
</p>
<p>A CheckBox has no MSAA children.</p>
<p>
<b>Role</b>
</p>
<p>The MSAA Role of a CheckBox is ROLE_SYSTEM_CHECKBOX.</p>
<p>
<b>Name</b>
</p>
<p>The MSAA Name of a CheckBox is, by default, the label that it displays.
When wrapped in a FormItem element,
this label will be combined with the FormItem's label.
To override this behavior,
set the CheckBox's <code>accessibilityName</code> property.</p>
<p>When the Name changes,
a CheckBox dispatches the MSAA event EVENT_OBJECT_NAMECHANGE.</p>
<p>
<b>Description</b>
</p>
<p>The MSAA Description of a CheckBox is, by default, the empty string,
but you can set the CheckBox's <code>accessibilityDescription</code>
property.</p>
<p>
<b>State</b>
</p>
<p>The MSAA State of a CheckBox is a combination of:
<ul>
<li>STATE_SYSTEM_UNAVAILABLE (when enabled is false)</li>
<li>STATE_SYSTEM_FOCUSABLE (when enabled is true)</li>
<li>STATE_SYSTEM_FOCUSED (when enabled is true
and the CheckBox has focus)</li>
<li>STATE_SYSTEM_CHECKED (when selected is true)</li>
</ul>
</p>
<p>When the Name changes,
a CheckBox dispatches the MSAA event EVENT_OBJECT_STATECHANGE.</p>
<p>
<b>Value</b>
</p>
<p>A CheckBox does not have an MSAA Value.</p>
<p>
<b>Location</b>
</p>
<p>The MSAA Location of a CheckBox is its bounding rectangle.</p>
<p>
<b>Default Action</b>
</p>
<p>The MSAA DefaultAction of a CheckBox is "Check" or "UnCheck",
depending on whether it is currently checked or not.</p>
<p>When an MSAA client tells the CheckBox to perform this action,
KEY_DOWN and KEY_UP MouseEvents for the SPACE key are generated,
to simulate pressing the CheckBox via the keyboard,
if the CheckBox is enabled.</p>
<p>
<b>Focus</b>
</p>
<p>A CheckBox accepts focus.
When it does so, it dispatches the MSAA event EVENT_OBJECT_FOCUS.</p>
<p>
<b>Selection</b>
</p>
<p>A CheckBox does not support selection in the MSAA sense.</p>
<p></p><br/><hr></div><a name="protectedPropertySummary"></a><div class="summarySection"><div class="summaryTableTitle">Protected Properties</div><div class="showHideLinks"><div id="hideInheritedProtectedProperty" class="hideInheritedProtectedProperty"><a class="showHideLink" href="#protectedPropertySummary" onclick="javascript:setInheritedVisible(false,'ProtectedProperty');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Hide Inherited Protected Properties</a></div><div id="showInheritedProtectedProperty" class="showInheritedProtectedProperty"><a class="showHideLink" href="#protectedPropertySummary" onclick="javascript:setInheritedVisible(true,'ProtectedProperty');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Protected Properties</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable hideInheritedProtectedProperty" id="summaryTableProtectedProperty"><tr><th>&nbsp;</th><th colspan="2">Property</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class="hideInheritedProtectedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../mx/accessibility/AccImpl.html#eventsToHandle" class="signatureLink">eventsToHandle</a> : Array<div class="summaryTableDescription">[read-only]
All subclasses must override this function by returning an array
of strings of the events to listen for.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../mx/accessibility/AccImpl.html#master" class="signatureLink">master</a> : <a href="../../mx/core/UIComponent.html">UIComponent</a><div class="summaryTableDescription">
A reference to the UIComponent instance that this AccImpl instance
is making accessible.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../mx/accessibility/AccImpl.html#role" class="signatureLink">role</a> : uint<div class="summaryTableDescription">
Accessibility role of the component being made accessible.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr></table></div><a name="methodSummary"></a><div class="summarySection"><div class="summaryTableTitle">Public Methods </div><div class="showHideLinks"><div id="hideInheritedMethod" class="hideInheritedMethod"><a class="showHideLink" href="#methodSummary" onclick="javascript:setInheritedVisible(false,'Method');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Hide Inherited Public Methods</a></div><div id="showInheritedMethod" class="showInheritedMethod"><a class="showHideLink" href="#methodSummary" onclick="javascript:setInheritedVisible(true,'Method');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Public Methods</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableMethod"><tr><th>&nbsp;</th><th colspan="2">Method</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#CheckBoxAccImpl()" class="signatureLink">CheckBoxAccImpl</a>(master:<a href="../../mx/core/UIComponent.html">UIComponent</a>)</div><div class="summaryTableDescription">
Constructor.</div></td><td class="summaryTableOwnerCol">CheckBoxAccImpl</td></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#enableAccessibility()" class="signatureLink">enableAccessibility</a>():void</div><div class="summaryTableDescription">[static]
Enables accessibility in the CheckBox class.</div></td><td class="summaryTableOwnerCol">CheckBoxAccImpl</td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#getFormName()" class="signatureLink">getFormName</a>(component:<a href="../../mx/core/UIComponent.html">UIComponent</a>):String</div><div class="summaryTableDescription">[static]
Method for supporting Form Accessibility.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#isAncestorDisabled()" class="signatureLink">isAncestorDisabled</a>(component:<a href="../../mx/core/UIComponent.html">UIComponent</a>):Boolean</div><div class="summaryTableDescription">[static]
Returns true if an ancestor of the component has enabled set to false.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr></table></div><a name="protectedMethodSummary"></a><div class="summarySection"><div class="summaryTableTitle">Protected Methods </div><div class="showHideLinks"><div id="hideInheritedProtectedMethod" class="hideInheritedProtectedMethod"><a class="showHideLink" href="#protectedMethodSummary" onclick="javascript:setInheritedVisible(false,'ProtectedMethod');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Show Inherited Protected Methods</a></div><div id="showInheritedProtectedMethod" class="showInheritedProtectedMethod"><a class="showHideLink" href="#protectedMethodSummary" onclick="javascript:setInheritedVisible(true,'ProtectedMethod');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Protected Methods</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable hideInheritedProtectedMethod" id="summaryTableProtectedMethod"><tr><th>&nbsp;</th><th colspan="2">Method</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class="hideInheritedProtectedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#eventHandler()" class="signatureLink">eventHandler</a>(event:Event):void</div><div class="summaryTableDescription">
Generic event handler.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#getName()" class="signatureLink">getName</a>(childID:uint):String</div><div class="summaryTableDescription">
Returns the name of the accessible component.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#getState()" class="signatureLink">getState</a>(childID:uint):uint</div><div class="summaryTableDescription">
Utility method to determine state of the accessible component.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr></table></div><script language="javascript" type="text/javascript"><!--
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--></script><div class="MainContent"><a name="constructorDetail"></a><div class="detailSectionHeader">Constructor Detail</div><a name="CheckBoxAccImpl()"></a><a name="CheckBoxAccImpl(mx.core.UIComponent)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">CheckBoxAccImpl</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">Constructor</td></tr></table><div class="detailBody"><code>public function CheckBoxAccImpl(master:<a href="../../mx/core/UIComponent.html">UIComponent</a>)</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version :&nbsp;</b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version :&nbsp;</b></td><td>Flex 4</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions :&nbsp;</b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p>
Constructor.
</p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">master</span>:<a href="../../mx/core/UIComponent.html">UIComponent</a></code> &mdash; The UIComponent instance that this AccImpl instance
is making accessible.
</td></tr></table></div><a name="methodDetail"></a><div class="detailSectionHeader">Method Detail</div><a name="enableAccessibility()"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">enableAccessibility</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td></tr></table><div class="detailBody"><code> public static function enableAccessibility():void</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version :&nbsp;</b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version :&nbsp;</b></td><td>Flex 4</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions :&nbsp;</b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p>
Enables accessibility in the CheckBox class.
<p>This method is called by application startup code
that is autogenerated by the MXML compiler.
Afterwards, when instances of CheckBox are initialized,
their <code>accessibilityImplementation</code> property
will be set to an instance of this class.</p>
</p></div><br/><br/><hr><br/><p></p><center class="copyright"><footer>The Apache Software Foundation</footer><br/>Wed Nov 15 2017, 09:50 AM +01:00 </center></div></body></html><!--The Apache Software Foundation<br/>Wed Nov 15 2017, 09:50 AM +01:00 -->