Interface for containers that can host a wizard. It displays wizard pages, at most one of which is considered the current page.
getCurrentPage returns the current page;
showPage programmatically changes the the current page. Note that the pages need not all belong to the same wizard.
The class WizardDialog provides a fully functional implementation of this interface which will meet the needs of most clients. However, clients are also free to implement this interface if WizardDialog does not suit their needs.
Implementors are responsible for disposing of their wizards.
@see org.eclipse.jface.wizard.IWizardContainer2