String strFullPath ;//mdb数据的路径地址

IWorkspaceFactory pFactory= new AccessWorkspaceFactoryClass();

IWorkspace ppOutWS = pFactory.OpenFromFile(strFullPath,0);

IFeatureWorkspace pFWS= (IFeatureWorkspace)ipWks;

ITopologyWorkspace ipTopologyWS = (ITopologyWorkspace) pFWS;

IEnumDatasetName ipDatasetNames = ppOutWS.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);

IDatasetName ipDatasetName = ipDatasetNames.Next();

IFeatureDataset ipDataset = null;

if (ipDatasetName != null)

 {

            ipDataset = pFWS.OpenFeatureDataset(ipDatasetName.Name);

}

 ITopology ipTopology;

IWorkspace2 pWorkspace = (IWorkspace2)ipFeatDataset.Workspace;

         if (pWorkspace.get_NameExists(esriDatasetType.esriDTTopology, strTopoLayerName))

         {

            ipTopology = ipTopologyWS.OpenTopology(strTopoLayerName);

            if (ipTopology == null)

            {

               return;

            }

            ITopologyRuleContainer pTopoRuleContainer = (ITopologyRuleContainer)ipTopology;

//加载创建该拓扑层的图层

            if (pTopoRuleContainer != null)

            {

               IEnumRule ipEnumRule = pTopoRuleContainer.Rules;

               IRule ipRule = ipEnumRule.Next();

               while (ipRule != null)