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