Please do not start a new thread when you already have a thread for this question. Not only do you already have a thread for this question, you already have an answer. You say that you don't know how yet in your other thread I provided a link that contains code that shows how to do it. Have you read that code and made an effort to write some code for yourself?

http://www.vbforums.com/showthread.php?t=603978