> OK, I have got there. > > The Display Graphics check box governs the code which enables the instant > preview drop-down menu. However, there is a delay -- a > behaviour delay, not a time delay -- between selecting the check and getting > the drop-down enabled. It is not adequate to Apply > and Save. It is necessary to close the whole Preferences dialog and then > re-open it. Then the drop-down will be enabled. > Likewise when the Check is cleared: the drop-down will only be greyed when > the Preferences dialog is closed and re-opened. >
Thanks! Now we know what to fix. I can't understand I never saw this myself before. Vincent