IPageChangingListener (Eclipse Platform API Specification)

```
public interface IPageChangingListener
```
A 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.

Since:

3.3

See Also:

PageChangingEvent

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void handlePageChanging(PageChangingEvent event)
  Handle the an IDialogPage changing.

- Method Detail
  - handlePageChanging
```
void handlePageChanging(PageChangingEvent event)
```
    Handle the an IDialogPage changing. The doit field of the PageChangingEvent must be set to false to prevent the page from changing.
    
    Parameters:
    
    event - event object describing the change