set_current_element_from_descr
Make the element from the ac_element_guid object the current one for working with commands ac_reauest(.... This is essentially the reverse operation of the above.
Call:
ac_request("set_current_element_from_descr", int &iGuidDescr);
Here:
iGuidDescr - a handle to an object of type ac_element_guid that will be set as the current one for working with ac_request(....