C#：将空间数据加载到树视图控件

       自己 整理了 下 代码 测试了下 还行。。。

　　　　#region 操作树视图控件

        /// <summary>
        /// 自定义需要的类型
        /// </summary>
        enum DatasetType
        {
            DTFeatureClass,
            DTFeatureDataset,
            DTTable,
            DTRasterCatalog,
            DTRasterDataset,
            DTMosaicDataset,
            DatasetTypeNum
        }

        /// <summary>
        /// 自定义需要的类型字符串名
        /// </summary>
        public static string[] NodeNames =
        {
            "要素类",
            "特性表",
            "影像目录",
            "影像数据集",
            "镶嵌数据集"
        };

        /// <summary>
        /// 将工作空间内数据加入到树形控件
        /// </summary>
        /// <param name="pWorkSpace">工作空间</param>
        /// <param name="treeView">属性控件</param>
        public static void LoadWorkSpaceData(IWorkspace pWorkSpace, TreeView treeView)
        {
            if (null == pWorkSpace && null == treeView)
            {
                return;
            }
            try
            {

                if (treeView.Nodes != null)
                {
                    treeView.Nodes.Clear();
                }

                string server = pWorkSpace.ConnectionProperties.GetProperty("server").ToString();
                string user = pWorkSpace.ConnectionProperties.GetProperty("user").ToString();
                string database = pWorkSpace.ConnectionProperties.GetProperty("database").ToString();
                TreeNode pRootNode = new TreeNode();
                pRootNode.Text = server + "." + user + "." + database;
                pRootNode.Tag = pWorkSpace;
                treeView.Nodes.Add(pRootNode);

                for (int i = 0; i < (int)DatasetType.DatasetTypeNum; i++)
                {
                    TreeNode nodeParent = new TreeNode(NodeNames[i]);
                    pRootNode.Nodes.Add(nodeParent);
                    DatasetType dst = (DatasetType)i;
                    nodeParent.Tag = dst;

                    IEnumDatasetName datasetNames = null;
                    switch (dst)
                    {
                        case DatasetType.DTFeatureClass:
                            datasetNames = pWorkSpace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);
                            break;
                        case DatasetType.DTFeatureDataset:
                            datasetNames = pWorkSpace.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);
                            break;
                        case DatasetType.DTTable:
                            datasetNames = pWorkSpace.get_DatasetNames(esriDatasetType.esriDTTable);
                            break;
                        case DatasetType.DTRasterCatalog:
                            datasetNames = pWorkSpace.get_DatasetNames(esriDatasetType.esriDTRasterCatalog);
                            break;
                        case DatasetType.DTRasterDataset:
                            datasetNames = pWorkSpace.get_DatasetNames(esriDatasetType.esriDTRasterDataset);
                            break;
                        case DatasetType.DTMosaicDataset:
                            datasetNames = pWorkSpace.get_DatasetNames(esriDatasetType.esriDTMosaicDataset);
                            break;
                    }
                    FillTreeNode(nodeParent, datasetNames);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("将空间内的数据加载到树视图控件失败！" + ex.Message);
            }

        }

        /// <summary>
        /// 依据数据集添加新节点
        /// </summary>
        /// <param name="parentNode">父节点</param>
        /// <param name="enumDSName">数据集项</param>
        public static void FillTreeNode(TreeNode parentNode, IEnumDatasetName enumDSName)
        {
            try
            {
                IDatasetName dsName = enumDSName.Next();
                while (dsName != null)
                {
                    String drcNameStr = dsName.Name;
                    String drcShortName = LayerHelper.GetClassShortName(drcNameStr);
                    TreeNode drcNode = new TreeNode(drcShortName);
                    drcNode.Tag = dsName;
                    parentNode.Nodes.Add(drcNode);
                    dsName = enumDSName.Next();
                }
            }
            catch (System.Exception ex)
            {
                throw ex;
            }
        }

        #endregion