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基本API 创建要素集名称对象
创建要素集名称对象
下面是创建要素集名称对象的IFeatureDatasetName类构造方法代码。
                                                            /// <summary>
                                                                /// 操作要素类
                                                                /// </summary>
                                                            /// <param name="wks">工作空间</param>
                                                            /// <param name="fclsName">要素类名称</param>
                                                            private void OperateFeatureClass(IWorkspace wks,string fclsName)
                                                            {
                                                            if(wks!=null)
                                                            {
                                                            IWorkspaceEdit editWks = wks as IWorkspaceEdit;
                                                            editWks.StartEditing(true);//开始编辑工作空间
                                                            editWks.StartEditOperation();

                                                            IWorkspaceName wksName = (wks as IDataset).FullName as IWorkspaceName;
                                                            //创建要素类名称对象
                                                            IFeatureClassName sourceFclsName = new FeatureClassNameClass()
                                                            {
                                                            Name = fclsName,
                                                            WorkspaceName = wksName
                                                            };
                                                            //创建要素集名称
                                                            IFeatureDatasetName FeatureDsName = new FeatureDatasetNameClass();
                                                            //要素类是否存在
                                                            bool isFclsExist = (wks as IWorkspace2).get_NameExists(esriDatasetType.esriDTFeatureClass, fclsName);
                                                            //获取要素集名称列表
                                                            IFeatureDatasetName featureDsNames = sourceFclsName.FeatureDatasetName as IFeatureDatasetName;
                                                            //获取要素集
                                                            IFeatureDataset ifeatureDS = (wks as IFeatureWorkspace).OpenFeatureDataset(FeatureDsName.ToString());

                                                            //关闭编辑工作空间
                                                            editWks.StopEditOperation();
                                                            editWks.StopEditing(true);
                                                            Marshal.ReleaseComObject(wks);//关闭工作空间

                                                            }
                                                            }