如何组织AxTOCControl里面的数据

如何组织AxTOCControl里面的数据，实际上是组织AXMapControl的数据，将添加的数据进行整理。代码在最后面。

思路参考自：

https://blog.csdn.net/u012488787/article/details/39028813 ，比想象的简单的多

 

加载图层事件：

http://resources.esri.com/help/9.3/ArcGISEngine/dotnet/ViewCodePages/a66f3104-3a61-4bbd-b1c4-310335e6bb1eForm1.cs.htm

http://zhihu.esrichina.com.cn/question/20551

http://help.arcgis.com/en/sdk/10.0/arcobjects_net/componenthelp/index.html#//004900000051000000

http://blog.sciencenet.cn/blog-971075-1016456.html

+ View Code?

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#region 图层分组方法 private void UpdateTOCControlLayers(AxMapControl axMap) {     if (axMap.Map.LayerCount == 0)     {         return;     }       IMapLayers mapLayers = axMap.Map as IMapLayers;     //设置axtoccontrol的首层名称为“图层”     axMap.Map.Name = "图层";     List<string> listGroupLyrNames = new List<string>() { "总规", "分规", "控规"};     foreach (string groupLayerName in listGroupLyrNames)     {         IGroupLayer basemapGroupLayer = new GroupLayerClass();         basemapGroupLayer.Name = groupLayerName;         axMap.Map.AddLayer(basemapGroupLayer);         //将所有要素图层作为二级目录         IEnumLayer enumLayer = LayersGetUtil.GetEnumLayer(axMapControl1.Map);         enumLayer.Reset();         ILayer layer = enumLayer.Next();         while (layer != null)         {             //如果图层名截取的字符串跟图层组名称相同             if (GetGroupNameOfLayer(layer) == groupLayerName)             {                                      mapLayers.MoveLayerEx(null, basemapGroupLayer, layer, 0);               }             layer = enumLayer.Next();           }         basemapGroupLayer.Expanded = false;     } }   private string GetGroupNameOfLayer(ILayer layer) {     string matchGroupName = null;     IDataLayer dataLayer = layer as IDataLayer;     IDatasetName datasetName = dataLayer.DataSourceName as IDatasetName;     string groupName = datasetName.Name.Substring(0, 2);     switch (groupName.ToUpper())     {         case "ZG":             matchGroupName = "总规";             break;         case "FG":             matchGroupName = "分规";             break;         case "KG":             matchGroupName = "控规";             break;              default:             break;       }     return matchGroupName; } #endregion<br>