1 string dbPath = @"G:\doc\gis\1.400\data\pdb.mdb"; 2 ESRI.ArcGIS.Geodatabase.IWorkspaceFactory wsf = new ESRI.ArcGIS.DataSourcesGDB.AccessWorkspaceFactoryClass(); 3 ESRI.ArcGIS.Geodatabase.IWorkspace ws = wsf.OpenFromFile(dbPath, 0); 4 ESRI.ArcGIS.Geodatabase.IEnumDataset eds = ws.get_Datasets(ESRI.ArcGIS.Geodatabase.esriDatasetType.esriDTAny); 5 ESRI.ArcGIS.Geodatabase.IDataset ds = null; 6 while ((ds = eds.Next()) != null) { 7     //要素类. 8     if (ds.Type == ESRI.ArcGIS.Geodatabase.esriDatasetType.esriDTFeatureClass) 9         MessageBox.Show(ds.Name);10     //要素数据集.11     else if (ds.Type == ESRI.ArcGIS.Geodatabase.esriDatasetType.esriDTFeatureDataset) {12         ESRI.ArcGIS.Geodatabase.IEnumDataset subEDS = ds.Subsets;13         ESRI.ArcGIS.Geodatabase.IDataset sds;14         while ((sds = subEDS.Next()) != null) {15         MessageBox.Show("sub:" + sds.Name);16         }17     }18     else {19 20     }21 }