winsock multi operation at once

hello..
i have tried this code for http://www.vbforums.com/showthread.p...insock-control for sending file,this code is very good..
but i just wondering,how do we send text while sending file,like Yahoo Messenger..
do i have to use 2 winsock? any suggestion?
thanks :-)

nb: im trying to build messenger application,one server (use winsock with array) and multiple client..