'Declaration
Public Class NDocumentHistoryService Inherits Nevron.Dom.NElementHistoryService Implements Nevron.Dom.INService, Nevron.INReferenceHolder, Nevron.INReferenceProvider
'Usage
Dim instance As NDocumentHistoryService
public class NDocumentHistoryService : Nevron.Dom.NElementHistoryService, Nevron.Dom.INService, Nevron.INReferenceHolder, Nevron.INReferenceProvider