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  strategyMarketsOfCurrentStrategy.addEventListener(CollectionEvent.COLLECTION_CHANGE,          strategyMarketsDataChangedHandler);
          strategyMarketsOfCurrentStrategy.removeAll();                            
          strategyMarketsOfCurrentStrategy.addAll(strategyProfilesForClone);
        private function strategyMarketsDataChangedHandler(event:CollectionEvent):void
        {   
            trace("ffffffffffffffffffffffffffffffffffffffff"+ObjectUtil.toString(event.kind));
            isStrategyMarketsChanged = true;
  & ......

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1. Ê×ÏÈÀ´¿´Ò»ÏÂʼþ»úÖÆÖеö»ù±¾¸ÅÄ
event objects(ÕâÀïÎÒÃǹÃÇÒ½ÐËüʼþ¶ÔÏó)£ºËùÓеÄʼþ¶ÔÏó¶¼ÊÇflash.events.Event»òÕ߯ä×ÓÀà¡£±ÈÈç˵Êó±êʼþMouseEvent£¬¼ÆÊ±Æ÷ʼþTimerEvent¡£Ã¿¸öʼþ¶ÔÏóÖж¼°üÀ¨Ê¼þÀàÐÍ(type)ºÍʼþÔ´(target)£¬±ãÓÚevent listenerÖªµÀ¸ÃʼþµÄÀàÐÍÒÔ¼°ÊÇË­Å׳öÕâÑùµÄʼþ¡£
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2. ÈçºÎ×¢²á¼àÌýÆ÷(registering Listener)
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dispatcher.addEventListener(eventName, listener);
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Flexʼþ»úÖÆ»ù´¡(¶þ)

4. Àí½âʼþ½×¶Î(Event Phases) ÎÒÃǰÑʼþ´¥·¢Ô´·ÖΪÁ½ÀࣺһÀàÊÇÄÇЩÏÔʾÔÚ½çÃæÖеÄÔªËØÅ׳öµÄʼþ£¬Ò»ÀàÊÇÄÇЩ²»ÔÚ½çÃæÖÐÏÔʾµÄÔªËØÅ׳öµÄʼþ¡£ºÜ¼òµ¥£¬¾Ù¸öÀý×Ó£ºµÚÒ»ÀàÈçURLLoader¶ÔÏóÈ¥loadͼƬ»òÆäËû×ÊÔ´ËùÅ׳öµÄÈçcompleteʼþ£¬¾ÍÊôÓÚµÚÒ»Àà¡£½çÃæÉϵÄÒ»¸ö°´Å¥ËùÅ׳öµÄclickʼþ¾ÍÊǵڶþÀ࣬Ëü»á´¥·¢Ò»¸öʼþÁ÷£¬Òý·¢Ò»ÏµÁеÄʼþ£¬ËüÓÖ·ÖÈý¸ö½×¶Î£º²¶»ñ(capture)£¬Ö´ÐÐ(target) ºÍðÅÝ(bubble)£¬¹ÃÇÒÕâÑù±í´ïÕâÈý¸ö½×¶Î¡£ ²¶»ñ½×¶Î(capture) ÔÚÕâ¸ö½×¶Î£¬Flash Player»áÈ¥²éÕÒʼþµÄ´¥·¢Ô´£¬ËüÊÇͨ¹ý¸ùÏÔÊ¾ÔªËØ(root display object)Öð²ãÏòÏÂѰ×Ù£¬Ö±µ½ÕÒµ½Ê¼þµÄ·¢ÆðÔ´Í·£¬ÈçÄãÔÚbuttonÉÏclickºó£¬Flash PlayerÕÒµ½µÄʸÃbutton¶ÔÏó¡£ÔÚÕâ¸ö½×¶Î¼àÊÓÆ÷(listener)ĬÈÏÊDz»»áÊÕµ½ÈκÎÏûÏ¢µÄ(ĬÈÏÖ»ÔÚtargetºÍbubble½×¶ÎÊÕµ½ÏûÏ¢)¡£Èç¹ûÄãÏëÔÚ²¶»ñ½×¶ÎÈÃlistenerÊÕµ½ÏûÏ¢²¢ÓÐËù¶¯×÷£¬ÄÇôÄã¿ÉÒÔÔÚ×¢²áµÄʱºò¸Ä±äµÚÈý¸ö²ÎÊýΪtrue£¬ÈçÏÂÃæµÄ·½·¨£ºobject.addEventListener(MouseEvent.CLICK, onClick, true); ¸Ã½×¶ÎÌýÆðÀ´ºÜİÉú£¬ÊÂʵÉÏËüºÜÉÙʹÓᣵ«ËüÈ´ÔÚʼþÁ÷ÖаçÑݺÜÖØÒªµÄ½ÇÉ«¡£Ëü¿ÉÒÔÔÚʼþµ½´ï×ÓÔªËØ(child elements)֮ǰ±»application²¶»ñ£¬µ±È»Ò²¾Í¿ÉÒÔ×è ......

Flex Ê鼮ѡÔñ

ÉÏÃæÊÇÒ»¸öflex×öµÄÑ¡Ôñ£¬Ö÷ҪѧϰÊý¾Ý  Model¸úDateGridµÄÓ÷¨ ¹þ£¬Ô´ÂëÈçÏ£º
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" fontSize="12">
 <mx:Model id="books">
  <datas>
  <book>
    <name>Flex</name>
    <author>cju</author>
    <date>2010-01-16</date>
  </book>
  <book>
    <name>Java</name>
    <author>cana</author>
    <date>2010-01-17</date>
  </book>
  <book>
    <name>Jsp</name>
    <author>cju</author>
    <date>2010-01-16</date>
  </book>
  <book>
    <name>SSH</name>
    & ......
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