     //--------------------------------------------------------------------------
     
     /**
+     *  @private
+     */
+    override protected function initializeAccessibility():void
+    {
+        if (ComboBox.createAccessibilityImplementation != null)
+            ComboBox.createAccessibilityImplementation(this);
+    }
+    
+    /**
      *  @private 
      */
     override protected function commitProperties():void

 *  @productversion Flex 4
 */
[Style(name="paddingTop", type="Number", format="Length", inherit="no")]

/**
 *  The ComboBox control is a child class of the DropDownListBase control. 

    [SkinPart(required="false")]
    public var textInput:TextInput;
    
    //--------------------------------------------------------------------------
    //
    //  Class mixins
    //
    //--------------------------------------------------------------------------
    
    /**
     *  @private
     *  Placeholder for mixin by ComboBoxAccImpl.
     */
    mx_internal static var createAccessibilityImplementation:Function;
    
    /**
     *  Constructor. 
     *  
