IPageChangeProvider (Eclipse Platform API Specification)

All Known Implementing Classes:

FormEditor, MultiPageEditorPart, PreferenceDialog, SharedHeaderFormEditor, WizardDialog
```
public interface IPageChangeProvider
```
Minimal interface to a page change provider. Used for dialogs which can switch between multiple pages.

Since:

3.1

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addPageChangedListener(IPageChangedListener listener)`	Adds a listener for page changes in this page change provider.
`Object`	`getSelectedPage()`	Returns the currently selected page in the dialog.
`void`	`removePageChangedListener(IPageChangedListener listener)`	Removes the given page change listener from this page change provider.

- Method Detail
  - getSelectedPage
```
Object getSelectedPage()
```
    Returns the currently selected page in the dialog.
    
    Returns:
    
    the selected page in the dialog or null if none is selected. The type may be domain specific. In the JFace provided dialogs this will be an instance of IDialogPage.
  - addPageChangedListener
```
void addPageChangedListener(IPageChangedListener listener)
```
    Adds a listener for page changes in this page change provider. Has no effect if an identical listener is already registered.
    
    Parameters:
    
    listener - a page changed listener
  - removePageChangedListener
```
void removePageChangedListener(IPageChangedListener listener)
```
    Removes the given page change listener from this page change provider. Has no effect if an identical listener is not registered.
    
    Parameters:
    
    listener - a page changed listener