I do not know what you are talking about. Express VIs don't exactly have a front panel (unless you change them to a standard VI). Or are you talking about the configuration dialogs? What exactly are you trying to accomplish?
There are only two ways to tell somebody thanks: Kudos and Marked Solutions Unofficial Forum Rules and Guidelines "Not that we are sufficient in ourselves to claim anything as coming from us, but our sufficiency is from God" - 2 Corinthians 3:5