actionscript 3 - Action Script 3. Timer MM:SS doesn't work -

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i'm creating app , need show game time mm:ss format. don't know why timer doesn't wrok shows 0:00.359 (359 of miliseconds) , not change. problem? can't find it. thank you.

    var timer:timer; //import flash.utils.timer;     var txttime:textfield;     var tmptime:number;  //this store time when game started      //your constructor: public function memorygame() {     timer = new timer(1000); //create new timer ticks every second.     timer.addeventlistener(timerevent.timer, tick, false, 0, true); //listen timer tick      txttime = new textfield();     addchild(txttime);      tmptime = flash.utils.gettimer();     timer.start(); //start timer     //....the rest of code }  private function tick(e:event):void {     txttime.text = showtimepassed(flash.utils.gettimer() - tmptime); }  //this function format time stopwatch function showtimepassed(starttime:int):string {   var leadingzeroms:string = ""; //how many leading 0's put in front of miliseconds   var leadingzeros:string = ""; //how many leading 0's put in front of seconds    var time = gettimer() - starttime; //this gets amount of miliseconds elapsed   var miliseconds = (time % 1000); // modulus (%) gives remainder after dividing,      if (miliseconds < 10) { //if less 2 digits, add leading 0     leadingzeroms = "0";   }    var seconds = math.floor((time / 1000) % 60); //this gets amount of seconds    if (seconds < 10) { //if seconds less 2 digits, add leading 0     leadingzeros = "0";   }    var minutes = math.floor( (time / (60 * 1000) ) ); //60 seconds times 1000 miliseocnds gets minutes   return minutes + ":" + leadingzeros + seconds + "." + leadingzeroms + miliseconds; }   //in you-win block of code: var score = flash.utils.gettimer() - tmptime; //this store how many milliseconds took them complete game.

try 

 timer.currentcount

instead of 

 flash.utils.gettimer()

it return number of times timer has fired timer-event.


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