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