ArcGIS Engine 更改MXD地图数据路径 下载本文

内容发布更新时间 : 2024/11/19 0:44:18星期一 下面是文章的全部内容请认真阅读。

private void button8_Click(object sender, EventArgs e) {

IWorkspace pWs = GetWorkspace(@\

IMapDocument pDoc= new MapDocumentClass(); pDoc.Open(axMapControl1.DocumentFilename); ChangePath(pDoc, pWs); } //替换路径

private void ChangePath(IMapDocument pMapDoc, IWorkspace pWs) {

IWorkspaceName pWsName = GetWorkspaceName(pWs); IMap pMap = pMapDoc.ActiveView.FocusMap; ILayer pLayer = null;

IDataLayer pDataLayer = null; IDatasetName pDataName = null; for (int i = 0; i < pMap.LayerCount; i++) {

pLayer = pMap.get_Layer(i); if (pLayer.Valid == false) {

if (pLayer is IDataLayer) {

pDataLayer = pLayer as IDataLayer; try {

pDataName = pDataLayer.DataSourceName as IDatasetName; //获取DatasetName,必须是要替换的工作空间下的

IDatasetName pDsName = GetDatasetName(pWs, pDataName.Name); pDataName = pDataLayer.DataSourceName as IDatasetName; pDataName.WorkspaceName = pWsName; pDataLayer.Connect(pDsName as IName);

pDataName = pDataLayer.DataSourceName as IDatasetName; } catch { } } } }

pMapDoc.Save(true, true);

}

private IDatasetName GetDatasetName(IWorkspace pWs, string pFtName) { try {

IEnumDatasetName pDsName = pWs.get_DatasetNames(esriDatasetType.esriDTAny); IDatasetName pDsSetName = pDsName.Next(); while (pDsSetName != null) {

//遍历FeatureDataset

if (pDsSetName.Type == esriDatasetType.esriDTFeatureDataset) {

IEnumDatasetName pDsFtName = pDsSetName.SubsetNames; IDatasetName pDsSetName1 = pDsFtName.Next(); while (pDsSetName1 != null) {

if (pDsSetName1.Name == pFtName) return pDsSetName1;

pDsSetName1 = pDsFtName.Next(); } }

else if (pDsSetName.Name == pFtName) return pDsSetName;

pDsSetName = pDsName.Next(); }

return pDsSetName; }

catch (Exception ex) { return null; } }

private IWorkspaceName GetWorkspaceName(IWorkspace pWs) { try {

IDataset pDs = pWs as IDataset; return pWsName; }

catch (Exception ex) { return null; } }

public IWorkspace GetWorkspace( String _pDatabase) {

ESRI.ArcGIS.Geodatabase.IWorkspaceFactory pWsFactory = null; IWorkspace pWkspace = null;

if(System.IO.Path.GetExtension(_pDatabase).Equals(\ {

pWsFactory = new AccessWorkspaceFactoryClass(); }

else if(System.IO.Path.GetExtension(_pDatabase).Equals(\ {

pWsFactory =new ESRI.ArcGIS.DataSourcesGDB.FileGDBWorkspaceFactoryClass(); } else {

pWsFactory = new ShapefileWorkspaceFactory(); } try {

pWkspace = pWsFactory.OpenFromFile(_pDatabase, 0); }

catch (Exception EX) {

//MessageBox.Show(EX.ToString()); }

return pWkspace; }