/// <summary>
/// 重置mxd文档的数据源
/// </summary>
/// <param name="pMapDoc"></param>
/// <param name="pWs"></param>
public static void ChangeMxdDataSource(ESRI.ArcGIS.Carto.IMapDocument pMapDoc, ESRI.ArcGIS.Geodatabase.IWorkspace pWs)
{
ESRI.ArcGIS.Geodatabase.IWorkspaceName pWsName = GetWorkspaceName(pWs);
ESRI.ArcGIS.Carto.IMap pMap = pMapDoc.ActiveView.FocusMap;
ESRI.ArcGIS.Carto.ILayer pLayer = null;
ESRI.ArcGIS.Carto.IDataLayer pDataLayer = null;
ESRI.ArcGIS.Geodatabase.IDatasetName pDataName = null;
for (int i = 0; i < pMap.LayerCount; i++)
{
pLayer = pMap.get_Layer(i);
if (pLayer.Valid == false)
{
if (pLayer is ESRI.ArcGIS.Carto.IDataLayer)
{
pDataLayer = pLayer as ESRI.ArcGIS.Carto.IDataLayer;
try
{
pDataName = pDataLayer.DataSourceName as ESRI.ArcGIS.Geodatabase.IDatasetName;
//获取DatasetName，必须是要替换的工作空间下的
ESRI.ArcGIS.Geodatabase.IDatasetName pDsName = GetDatasetName(pWs, pDataName.Name);
if (pDsName == null)
{
continue;
}
pDataName = pDataLayer.DataSourceName as ESRI.ArcGIS.Geodatabase.IDatasetName;
pDataName.WorkspaceName = pWsName;
pDataLayer.Connect(pDsName as ESRI.ArcGIS.esriSystem.IName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pDataName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pDsName);
//pDataName = pDataLayer.DataSourceName as ESRI.ArcGIS.Geodatabase.IDatasetName;
}
catch { }
System.Runtime.InteropServices.Marshal.ReleaseComObject(pDataLayer);
}
}
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pWsName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pMap);
pMapDoc.Save(true, true);
}
/// <summary>
/// 从工作空间下获取到pFeatureClassName对应的 IDatasetName
/// </summary>
/// <param name="pWs"></param>
/// <param name="pFeatureClassName"></param>
/// <returns></returns>
public static ESRI.ArcGIS.Geodatabase.IDatasetName GetDatasetName(ESRI.ArcGIS.Geodatabase.IWorkspace pWs, string pFeatureClassName)
{
try
{
ESRI.ArcGIS.Geodatabase.IEnumDatasetName pDsName = pWs.get_DatasetNames(ESRI.ArcGIS.Geodatabase.esriDatasetType.esriDTAny);
ESRI.ArcGIS.Geodatabase.IDatasetName pDsSetName = pDsName.Next();
while (pDsSetName != null)
{
//遍历FeatureDataset
if (pDsSetName.Type == ESRI.ArcGIS.Geodatabase.esriDatasetType.esriDTFeatureDataset)
{
ESRI.ArcGIS.Geodatabase.IEnumDatasetName pDsFtName = pDsSetName.SubsetNames;
ESRI.ArcGIS.Geodatabase.IDatasetName pDsSetName1 = pDsFtName.Next();
while (pDsSetName1 != null)
{
if (pDsSetName1.Name == pFeatureClassName)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(pDsName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pDsFtName);
return(pDsSetName1);
}
pDsSetName1 = pDsFtName.Next();
}
}
else if (pDsSetName.Name == pFeatureClassName)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(pDsName);
return(pDsSetName);
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pDsSetName);
pDsSetName = pDsName.Next();
}
return(null);//pDsSetName;
}
catch (Exception ex)
{ return(null); }
}
