The function keys dont work until you actually Hit the key, not sure if it can be done via a macro or anything but sounds really interesting and this could be the solution for the clients who seek to export the chart to Powerpoint. Anyways can you search around this link below or do some Google search if theres a solution for this and post it if you find any in the forum here please . http://www.computerhope.com/jargon/h/hiddpart.htm
