When overridden in a derived class, provides a mechanism to move to the previous page in the wizard.
Assembly: Microsoft.Web.Management (in Microsoft.Web.Management.dll)
Implementers should call this method when the user clicks the Previous button and moves to the previous page in the wizard. Implementers should check the CanNavigatePrevious property to determine whether a move to the previous page is enabled.
This method enables you to create a custom method.