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private
var m_AsyncDict:Dictionary;
 ¶¨ÒåOpenFileDialogAsync·½·¨£¬ÓÃfscommandÀ´ÊµÏÖ£¬fscommandÊǵ¥ÏòµÄµ÷Ó㬲»´æÔÚ60Ã볬ʱµÄÎÊÌâ¡£
//µ¯³ö´ò¿ªÎļþ´°¿Ú£¬Ñ¡Ôñµ¥¸öÎļþ
public
function OpenFileDialogAsync(title:String = "ÇëÑ¡Ôñ1¸öÎļþ", initFolder:String = "", filter:String = "", callbackString:Function = null):void
{
    //´´½¨Òì²½ID
    var id:String = mx.utils.UIDUtil.createUID();
    //´´½¨×Ô¶¨ÒåÒì²½ÇëÇó
    var request:String = "<args>";
    request += "<arg>" + id + "</arg>";
    request += "<arg>" + title + "</arg>";
    request += "<arg>" + initFolder + "</arg>";
    request += "<arg>" + filter + "</arg>";
    request += "</args>";
    //»º´æ»Øµ÷·½·¨
    if (callbackString != null)
        m_AsyncDict[id] = callbackString;
    flash.system.fscommand(FLASH_TO_APP_OPEN_FILE_DIALOG_ASYNC, request);
}
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public
function AsyncCallback(id:String, value:Object):void
{
    if (m_AsyncDict[id])
    {
        //Ö´Ðлص÷·½·¨
   


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