Generic function
Returns true if the Next button has been enabled for the specified multi-page dialog.
dialog-next-enabled? dialog => enabled?
<dialog-frame>.
<boolean>.
duim-frames
duim-frames
Returns true if the Next button has been enabled for dialog. This button is most useful in multi-page dialogs such as property frames and wizard frames, which typically have Back and Next buttons that let the user navigate forward and backward through the sequence of pages that comprise the dialog.
dialog-next-button-setter, page 769