private ESRI.ArcGIS.Carto.ILayer GetBackgroundLayer(ESRI.ArcGIS.Carto.IMap map)
{
ESRI.ArcGIS.Carto.ILayer pLayer = map.get_Layer(0);
ESRI.ArcGIS.Carto.ILayer pTempLayer = null;
for (int i = 1; i < map.LayerCount; i++)
{
pTempLayer = map.get_Layer(i);
if (pLayer.AreaOfInterest.Width < pTempLayer.AreaOfInterest.Width)
{
pLayer = pTempLayer;
}
}
return(pLayer);
}
protected override void OnPopup(ItemCollection items)
{
ESRI.ArcGIS.Carto.IMap map = ArcMap.Document.FocusMap;
for (int i = 0; i < map.LayerCount; i++)
{
ESRI.ArcGIS.Carto.ILayer layer = map.get_Layer(i);
Item item = new Item();
item.Caption = layer.Name;
item.Enabled = layer.Visible;
item.Message = layer.Name;
item.Tag = layer;
items.Add(item);
}
}
/// <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>
/// Get the index number for the specified layer name
/// </summary>
/// <param name="activeView">An IActiveView interface</param>
/// <param name="layerName">A System.String that is the layer name in the active view. Example: "states"</param>
/// <returns>
/// A System.Int32 representing a layer number.
/// Return values of 0 and greater are valid layers. A return value of -1 means the layer name was not found.
/// </returns>
public static Int32 GetIndexNumberFromLayerName(ESRI.ArcGIS.Carto.IActiveView activeView, System.String layerName)
{
if (activeView == null || layerName == null)
{
return(-1);
}
ESRI.ArcGIS.Carto.IMap map = activeView.FocusMap;
// Get the number of layers
int numberOfLayers = map.LayerCount;
// Loop through the layers and get the correct layer index
for (System.Int32 i = 0; i < numberOfLayers; i++)
{
if (layerName == map.get_Layer(i).Name)
{
// Layer was found
return(i);
}
}
// No layer was found
return(-1);
}