Bug 93175 [Preferences] PreferencePage.createControl is tagged as experimental
build I20050426 PreferencePage.createControl in JFace still states: * <strong>NOTE:</strong> This API is experimental * and subject to change before the 3.1 release. Should remove this for M7.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferencePage.java
* 
     * @return the Apply button
     */
    protected Button getApplyButton() {
        return applyButton;
    }
    /**
     * Returns the Restore Defaults button.
     * 
     * @return the Restore Defaults button
     */
    protected Button getDefaultsButton() {
        return defaultsButton;
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.IDialogPage#performHelp()
     */
    public void performHelp() {
        getControl().notifyListeners(SWT.Help, new Event());
    }
	/**
	 * Apply the data to the receiver. By default do nothing.
	 * @param data
	 * @since 3.1
	 */
	public void applyData(Object data) {
		
	}
}