internal static ESRI.ArcGIS.Geodatabase.IWorkspace CreateInMemoryWorkspace(string workspacename)
{
// Create an in-memory workspace factory.
Type factoryType = Type.GetTypeFromProgID(
"esriDataSourcesGDB.InMemoryWorkspaceFactory");
ESRI.ArcGIS.Geodatabase.IWorkspaceFactory workspaceFactory = (ESRI.ArcGIS.Geodatabase.IWorkspaceFactory)
Activator.CreateInstance(factoryType);
// Create an in-memory workspace.
ESRI.ArcGIS.Geodatabase.IWorkspaceName workspaceName = workspaceFactory.Create("", workspacename,
null, 0);
// Cast for IName and open a reference to the in-memory workspace through the name object.
ESRI.ArcGIS.esriSystem.IName name = (ESRI.ArcGIS.esriSystem.IName)workspaceName;
ESRI.ArcGIS.Geodatabase.IWorkspace workspace = (ESRI.ArcGIS.Geodatabase.IWorkspace)name.Open();
return(workspace);
}
/// <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);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
//
if (context == null)
{
return(null);
}
if (context.Instance == null)
{
return(null);
}
if (provider == null)
{
return(null);
}
// Cannot handle multiple objects
if (context.Instance is object[])
{
return(null);
}
// Do ArcGIS Desktop Test
object dialog = null;
try {
dialog = new GxDialogClass();
}
catch { }
if (dialog == null)
{
MessageBox.Show(
Resources.TEXT_NO_ARCGIS_DESKTOP,
Resources.TEXT_APPLICATION,
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation,
MessageBoxDefaultButton.Button1,
MessageBoxOptions.DefaultDesktopOnly);
return(null);
}
// Create GxObjectFilter for GxDialog
IGxObjectFilter gxObjectFilter = new GxFilterWorkspacesClass();
// Create GxDialog
IGxDialog gxDialog = (IGxDialog)dialog;
gxDialog.AllowMultiSelect = false;
gxDialog.ButtonCaption = Resources.TEXT_SELECT;
gxDialog.ObjectFilter = gxObjectFilter;
gxDialog.RememberLocation = true;
gxDialog.Title = Resources.TEXT_SELECT_EXISTING_GEODATABASE;
// Declare Enumerator to hold selected objects
IEnumGxObject enumGxObject = null;
// Open Dialog
if (!gxDialog.DoModalOpen(0, out enumGxObject))
{
return(null);
}
if (enumGxObject == null)
{
return(null);
}
// Get Selected Object (if any)
IGxObject gxObject = enumGxObject.Next();
if (gxObject == null)
{
return(null);
}
//if (!gxObject.IsValid) { return null; }
// Get GxDatabase
if (!(gxObject is IGxDatabase))
{
return(null);
}
IGxDatabase gxDatabase = (IGxDatabase)gxObject;
// Get IWorkspace
ESRI.ArcGIS.Geodatabase.IWorkspaceName workspaceName = gxDatabase.WorkspaceName;
// Return Arguments
return(workspaceName);
}
