从fileGDB中获取List

   /// <summary>
   /// 从FGDB中获取
   /// </summary>
   /// <param name="fileGDBPath">fileGDB文件路径</param>
   /// <returns>FeatureClass的列表</returns>
  public static List<IFeatureClass> getFClFromFGDB(string fileGDBPath)
        {
            //获取工作空间
            IWorkspaceFactory pWorkspaceFactory = new FileGDBWorkspaceFactoryClass();
            IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(fileGDBPath, 0);
            IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;

            IEnumDataset pEnumDataset = pWorkspace.get_Datasets(esriDatasetType.esriDTAny) as IEnumDataset;
            pEnumDataset.Reset();
            //获取dataset
            IDataset pDataset = pEnumDataset.Next();
            List<IFeatureClass> fcls = new List<IFeatureClass>(); 
            //判断dataset是IFeatureDataset
            if (pDataset is IFeatureDataset)
            {
                IFeatureDataset pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(pDataset.Name);
                IEnumDataset pEnumDataset1 = pFeatureDataset.Subsets;
                pEnumDataset1.Reset();
                IDataset pDataset1 = pEnumDataset1.Next();
                //如果子类是FeatureClass且不为空
                while (pDataset1 is IFeatureClass &&pDataset1 !=null)
                {
                    IFeatureClass  fcl= pFeatureWorkspace.OpenFeatureClass(pDataset1.Name);
                    fcls.Add(fcl);
                    pDataset1 = pEnumDataset1.Next();
                }
            }
            return fcls;  
        }