public interface IPageChangingListenerA listener which is notified when the current page of a multi-page dialog is changing. Use this listener to perform long-running work that should only be executed once, when the page is in the process of changing, rather then during validation of page controls.
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void handlePageChanging(PageChangingEvent event)Handle the an
doitfield of the
PageChangingEventmust be set to false to prevent the page from changing.
event- event object describing the change