Progress Bars in Ax 2012

static void SysOperationProgress_PrimeNumber(Args _args)
{
    #avifiles
    boolean checkPrime,_showProgess = true;
    SysOperationProgress progressBar = new SysOperationProgress();
    int counter,num;
    ;
    counter = 1;
    num = 1000;
    while(counter < num)
    {
        checkPrime = ((counter mod 2)!=0 && (counter mod 3) !=0);

        if(checkPrime)
        {
            info(strfmt("its a prime number %1",counter));
        }
        progressBar.setCaption(strfmt("Generating the prime number for %1",counter));
        //progressBar.setAnimation(#aviUpdate);
        //progressBar.setAnimation(#AviFindFile);
        //progressBar.setAnimation(#AviPrint);
        progressBar.setAnimation(#AviTransfer);
       
        progressBar.setText(strfmt("Processing %1 out of %2",counter,num));
        counter++;
    }
}