Finding specific namespaces

Im'm using a GigE Camera and I try to display stream video (or at least images sequence) using Pleora eBus player software, my goal is to display the same stream video from the default widow to a second window that I created. I find this code done by Adaptive Vision studio, i tried to implement it but no success. I have problem with the 2 namespaces "atl" and "avl" . You will find the code sample attached:enter image description here

Thanks in advance.