主要实现了一下几点：
1.加载mxd文件同步；OnMapReplaced事件
2.加载图层文件同步；OnItemAdded事件
3.TOC中图层勾选状态与鹰眼中图层可见状态同步；ContentsChanged事件
4.鹰眼视图中右键框选主视图中显示区域；
5.鹰眼视图中左键单击确定矩形框中心；
6.TOC右键菜单删除图层；
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using ESRI.ArcGIS.Carto;using System.Diagnostics;using ESRI.ArcGIS.Geometry;using ESRI.ArcGIS.Display;using ESRI.ArcGIS.Controls;namespace DEMO1{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } IActiveViewEvents_Event pAE; private void axMapControl1_OnMapReplaced(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMapReplacedEvent e) { axMapControl2.ClearLayers();//每次主视图地图更换时，清空鹰眼中原有图层 IMap pMap = e.newMap as IMap;//参数e是object类型，要进行接口转换 int n = pMap.LayerCount; for (int i = n - 1; i >= 0; i--) { axMapControl2.AddLayer(pMap.get_Layer(i)); } this.pAE = e.newMap as IActiveViewEvents_Event; pAE.ItemAdded += new IActiveViewEvents_ItemAddedEventHandler(this.OnItemAdded); pAE.ContentsChanged += new IActiveViewEvents_ContentsChangedEventHandler(pAE_ContentsChanged); } void pAE_ContentsChanged() { IBasicMap map = null; ILayer layer = null; Object other = null; Object index = null; esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone; axTOCControl1.GetSelectedItem(ref item, ref map, ref layer, ref other, ref index); ILayer player; for (int i = 0; i < axMapControl2.LayerCount; i++) { player = axMapControl2.get_Layer(i); if (player.Name == layer.Name) { if (layer.Visible == true) player.Visible = true; else player.Visible = false; axMapControl2.Refresh(); break; } } } private void Form1_Load(object sender, EventArgs e) { //用代码设置伙伴控件更保险 axTOCControl1.SetBuddyControl(axMapControl1); axToolbarControl1.SetBuddyControl(axMapControl1); //禁用鹰眼MapControl的滚轮放大缩小功能 axMapControl2.AutoMouseWheel = false; IMap pMap; pMap = axMapControl1.Map;//主视图 pAE = pMap as IActiveViewEvents_Event; pAE.ItemAdded += new IActiveViewEvents_ItemAddedEventHandler(this.OnItemAdded); pAE.ContentsChanged+=new IActiveViewEvents_ContentsChangedEventHandler(pAE_ContentsChanged); } private void OnItemAdded(object item) { ILayer pLayer; pLayer = item as ILayer; axMapControl2.AddLayer(pLayer,0);//鹰眼视图 axMapControl2.Refresh(); } private void axMapControl1_OnExtentUpdated(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnExtentUpdatedEvent e) { try { ESRI.ArcGIS.Geometry.IEnvelope envelope = (ESRI.ArcGIS.Geometry.IEnvelope)e.newEnvelope; ESRI.ArcGIS.Carto.IGraphicsContainer gc = axMapControl2.Map as ESRI.ArcGIS.Carto.IGraphicsContainer; ESRI.ArcGIS.Carto.IActiveView ac = gc as ESRI.ArcGIS.Carto.IActiveView; //在绘制前，清除axMapControl2中的内容 gc.DeleteAllElements(); ESRI.ArcGIS.Carto.IElement elment = new ESRI.ArcGIS.Carto.RectangleElementClass(); elment.Geometry = envelope; //设置鹰眼中的红线 //产生一个线符号对象 ESRI.ArcGIS.Display.ILineSymbol outLineSymbol = new ESRI.ArcGIS.Display.SimpleLineSymbolClass(); outLineSymbol.Width = 2; outLineSymbol.Color = GetColor(255, 0, 0, 255); //设置颜色属性 //设置填充符号的属性 ESRI.ArcGIS.Display.IFillSymbol fillsymbol = new ESRI.ArcGIS.Display.SimpleFillSymbolClass(); fillsymbol.Color = GetColor(9, 0, 0, 0); fillsymbol.Outline = outLineSymbol; ESRI.ArcGIS.Carto.IFillShapeElement fillshapeelement = elment as ESRI.ArcGIS.Carto.IFillShapeElement; fillshapeelement.Symbol = fillsymbol; gc.AddElement((ESRI.ArcGIS.Carto.IElement)fillshapeelement, 0); ac.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGraphics, null, null); } catch(Exception eCatch) { MessageBox.Show(eCatch.ToString()+"\n鹰眼中绘制红色矩形框出错"); } } private ESRI.ArcGIS.Display.IRgbColor GetColor(int r, int g, int b, int t) { ESRI.ArcGIS.Display.IRgbColor rgb = new ESRI.ArcGIS.Display.RgbColorClass(); rgb.Red = r; rgb.Green = g; rgb.Blue = b; rgb.Transparency = (byte)t; return rgb; } //右键画矩形选定主视图显示范围 private void axMapControl2_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e) { if (e.button == 2) { try { IPoint pPoint =new PointClass(); pPoint.X = e.mapX; pPoint.Y = e.mapY; IEnvelope pEnvelop = axMapControl2.TrackRectangle(); axMapControl1.Extent = pEnvelop; } catch { } } } private void axMapControl2_OnMouseMove(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseMoveEvent e) { if (e.button == 1) { try { IPoint pPoint = new PointClass(); pPoint.X = e.mapX; pPoint.Y = e.mapY; IEnvelope pEnvelop = axMapControl1.Extent as IEnvelope; pEnvelop.CenterAt(pPoint); IGraphicsContainer pGraphicContainer = axMapControl2.Map as IGraphicsContainer; IActiveView pAV = pGraphicContainer as IActiveView; pGraphicContainer.DeleteAllElements(); ESRI.ArcGIS.Carto.IElement elment = new ESRI.ArcGIS.Carto.RectangleElementClass(); elment.Geometry = pEnvelop; //设置鹰眼中的红线 //产生一个线符号对象 ESRI.ArcGIS.Display.ILineSymbol outLineSymbol = new ESRI.ArcGIS.Display.SimpleLineSymbolClass(); outLineSymbol.Width = 2; outLineSymbol.Color = GetColor(255, 0, 0, 255); //设置颜色属性 //设置填充符号的属性 ESRI.ArcGIS.Display.IFillSymbol fillsymbol = new ESRI.ArcGIS.Display.SimpleFillSymbolClass(); fillsymbol.Color = GetColor(9, 0, 0, 0); fillsymbol.Outline = outLineSymbol; ESRI.ArcGIS.Carto.IFillShapeElement fillshapeelement = elment as ESRI.ArcGIS.Carto.IFillShapeElement; fillshapeelement.Symbol = fillsymbol; pGraphicContainer.AddElement((ESRI.ArcGIS.Carto.IElement)fillshapeelement, 0); pAV.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGraphics, null, null); } catch { } } } private void axMapControl2_OnMouseUp(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseUpEvent e) { if (e.button == 1) { try { IPoint pPoint = new PointClass(); pPoint.X = e.mapX; pPoint.Y = e.mapY; IEnvelope pEnvelop = axMapControl1.Extent as IEnvelope; pEnvelop.CenterAt(pPoint); axMapControl1.Extent = pEnvelop; } catch { } } } private void 删除图层ToolStripMenuItem_Click(object sender, EventArgs e) { if (SelectedLayer != null) { axMapControl1.Map.DeleteLayer(SelectedLayer); axMapControl2.Map.DeleteLayer(SelectedLayer); SelectedLayer = null; } } ILayer SelectedLayer; private void axTOCControl1_OnMouseDown(object sender, ITOCControlEvents_OnMouseDownEvent e) { if (e.button == 2) { IBasicMap map = null; ILayer layer = null; Object other = null; Object index = null; esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone; axTOCControl1.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index); if (item == esriTOCControlItem.esriTOCControlItemLayer) { SelectedLayer = layer; TOCMenuStrip1.Show(axTOCControl1, e.x, e.y); } } } }}