Get The Number Of Copies Of A Job?

I would like to get the number of copies of a job, in the que and limit the users if they print more than selected copies the the queue should pause it. not the number of pages in a job, the number of copies, and the second thing is , this code works on the local machine, how if a print is sent from the network, is there any way that I can pause that print wich is coming from the network or another machine, on the network, most of my printers are connected through ip, and some are shared printers.