Please have a look at this project, in this project I have two symbol, one of them create and add another symbol as child.

Child symbol is drawn over parent as I expected. Parent symbol has two frames. When parent goes to second frame, child symbol drawn under parent. I mean depth order will change.
Can somebody help me!!?? Sorry for poor language.

Download link:
<https://drive.google.com/file/d/0B-KCX3wxRH-cOUk5YU1OUzNFN3M/view?usp=sharing>