如何判断一个featureclass是否存在
IEnumDatasetName pEnumDatasetName = pWorkspace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);rn pEnumDatasetName.Reset();rn IDatasetName pDatasetName = pEnumDatasetName.Ne
IEnumDatasetName pEnumDatasetName = pWorkspace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);rn pEnumDatasetName.Reset();rn IDatasetName pDatasetName = pEnumDatasetName.Ne