导入要素类到要素数据集当中（C++）（ArcObject）史上最快
//导入要素类到要素数据集
IDatasetContainerPtr ipDatasetContainer = ipFeatureDataset;
IDatasetPtr ipInDataset = ipFeatureClass; //ipFeatureClass为同一工作空间下的要素类;
ipDatasetContainer->AddDataset(ipInDataset);
转载自：https://blog.csdn.net/Giser_D/article/details/82184173
