Error with flex 4.5.1 using Squiggly

Question

these sample I wrote but give me errors i use flex 4.5.1
i copy it from Squiggly package
what wrong
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
               xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
               applicationComplete="init()">
    <fx:Script>
        <![CDATA[
            import com.adobe.linguistics.spelling.*;
            import mx.controls.textClasses.TextRange;
           private var _newdict:HunspellDictionary = new HunspellDictionary() ;      // here the first error == -1046: Type was not found or was not a compile-time constant: HunspellDictionary.
            private var sp:SpellChecker;
            private function init():void {
                _newdict.addEventListener(Event.COMPLETE, handleLoadComplete);
                _newdict.load("dictionaries/en_US/en_US.aff", "dictionaries/en_US/en_US.dic");
            private function handleLoadComplete(evt:Event):void
                sp = new SpellChecker(_newdict);
            protected function check_clickHandler(event:MouseEvent):void
                var wordPattern:RegExp =/\b\w+\b/; // match next word...
                var inputValue:String = inputText.text;
                var offset:int, curPos:int;
                for ( ; ; ) {
                    var res:Array = inputValue.match( wordPattern); // lookup word by word....
                    if ( res == null ) break;
                    if ( !sp.checkWord(res[0]) ) {
                        offset = inputText.text.length-inputValue.length;
                        curPos = inputValue.indexOf(res[0]);
                        var currentRange:TextRange = new TextRange(inputText, false, offset+ curPos, offset+ curPos+res[0].length); // mark mispelled word.
                        currentRange.color = "red";
                    inputValue = inputValue.substr(inputValue.indexOf(res[0])+ res[0].length);
        ]]>
    </fx:Script>
    <fx:Declarations>
        <!-- Place non-visual elements (e.g., services, value objects) here -->
    </fx:Declarations>
    <mx:Button id="check" label="Check Text" click="check_clickHandler(event)"  />
    <mx:TextArea id="inputText" x="10" y="29" width="945" height="571"/>
</s:Application>

Answer 1

i try another code
but give me error : 1120: Access of undefined property SpellUI.
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
               xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
                creationComplete="init()">
    <fx:Script>
        <![CDATA[
            import com.adobe.linguistics.spelling.*;
            private function init():void {
                SpellUI.enableSpelling(inputText, "en" );
                ]]>
    </fx:Script>
<mx:TextArea id="inputText" x="10" y="29" width="945" height="571"/>
</s:Application>