备份（复制）数据库

帮助中的例子，没什么好说的

public class CopyPasteGDBData

{

public void CopyPasteGeodatabaseData(IWorkspace sourceWorkspace, IWorkspace targetWorkspace, String objectName, esriDatasetType esriDataType)

{

 

// Validate input

if ((sourceWorkspace.Type == esriWorkspaceType.esriFileSystemWorkspace) || (targetWorkspace.Type == esriWorkspaceType.esriFileSystemWorkspace))

{

     return; // Should be a throw

}

 

//create source workspace name

IDataset sourceWorkspaceDataset = (IDataset)sourceWorkspace;

IWorkspaceName sourceWorkspaceName = (IWorkspaceName)sourceWorkspaceDataset.FullName;

 

//create target workspace name

IDataset targetWorkspaceDataset = (IDataset)targetWorkspace;

IWorkspaceName targetWorkspaceName = (IWorkspaceName)targetWorkspaceDataset.FullName;

 

//Create Name Object Based on data type

IDatasetName datasetName;

switch (esriDataType)

{

     case esriDatasetType.esriDTFeatureDataset:

          IFeatureDatasetName inFeatureDatasetName = new FeatureDatasetNameClass();

          datasetName = (IDatasetName)inFeatureDatasetName;

          break;

     case esriDatasetType.esriDTFeatureClass:

          IFeatureClassName inFeatureClassName = new FeatureClassNameClass();

          datasetName = (IDatasetName)inFeatureClassName;

          break;

     case esriDatasetType.esriDTTable:

          ITableName inTableName = new TableNameClass();

          datasetName = (IDatasetName)inTableName;

          break;

     case esriDatasetType.esriDTGeometricNetwork:

          IGeometricNetworkName inGeometricNetworkName = new GeometricNetworkNameClass();

          datasetName = (IDatasetName)inGeometricNetworkName;

          break;

     case esriDatasetType.esriDTRelationshipClass:

          IRelationshipClassName inRelationshipClassName = new RelationshipClassNameClass();

          datasetName = (IDatasetName)inRelationshipClassName;

          break;

     case esriDatasetType.esriDTNetworkDataset:

          INetworkDatasetName inNetworkDatasetName = new NetworkDatasetNameClass();

          datasetName = (IDatasetName)inNetworkDatasetName;

          break;

     case esriDatasetType.esriDTTopology:

          ITopologyName inTopologyName = new TopologyNameClass();

          datasetName = (IDatasetName)inTopologyName;

          break;

     default:

          return; // Should be a throw

}

 

// Set the name of the object to be copied

datasetName.WorkspaceName = (IWorkspaceName)sourceWorkspaceName;

datasetName.Name = objectName;

 

//Setup mapping for copy/paste

IEnumNameMapping fromNameMapping;

ESRI.ArcGIS.esriSystem.IEnumNameEdit editFromName;

ESRI.ArcGIS.esriSystem.IEnumName fromName = new NamesEnumerator();

editFromName = (ESRI.ArcGIS.esriSystem.IEnumNameEdit)fromName;

editFromName.Add((ESRI.ArcGIS.esriSystem.IName) datasetName);

ESRI.ArcGIS.esriSystem.IName toName = (ESRI.ArcGIS.esriSystem.IName)targetWorkspaceName;

 

// Generate name mapping

ESRI.ArcGIS.Geodatabase.IGeoDBDataTransfer geoDBDataTransfer = new GeoDBDataTransferClass();

Boolean targetWorkspaceExists;

targetWorkspaceExists = geoDBDataTransfer.GenerateNameMapping(fromName, toName, out fromNameMapping);

 

 

// Copy/Pate the data

geoDBDataTransfer.Transfer(fromNameMapping, toName);

    }

}