ArcGIS添加鹰眼

axMapControl1是主地图 axMapControl2是鹰眼地图

private void axMapControl1_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
        {
            //获取地图当前的范围（包络线）
            IEnvelope pEnvelope = (IEnvelope)e.newEnvelope;
            //将鹰眼地图设置为地理容器,再设置为活动视图
            IGraphicsContainer pGraphicsContainer = axMapControl2.Map as IGraphicsContainer;
            IActiveView pActiveView = pGraphicsContainer as IActiveView;
            //清除鹰眼地图中的任何图形元素
            pGraphicsContainer.DeleteAllElements();
            //设置矩形范围
            IRectangleElement pRectangeEle = new RectangleElementClass();
            IElement pElement = pRectangeEle as IElement;
            pElement.Geometry = pEnvelope;

            //创建鹰眼图中的红线框
            IRgbColor pColor = new RgbColor();
            pColor.Red = 255;
            pColor.Blue = 0;
            pColor.Green = 0;
            pColor.Transparency = 255;

            //创建线符号对象
            ILineSymbol pOutline = new SimpleLineSymbolClass();
            pOutline.Width = 3;
            pOutline.Color = pColor;

            //设置颜色属性
            pColor = new RgbColorClass();
            pColor.Red = 255;
            pColor.Blue = 0;
            pColor.Green = 0;
            pColor.Transparency = 0;

            //设置填充符号
            IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
            pFillSymbol.Color = pColor;
            pFillSymbol.Outline = pOutline;
            
            IFillShapeElement pFillShapeEle = pElement as IFillShapeElement;
            pFillShapeEle.Symbol = pFillSymbol;

            pGraphicsContainer.AddElement((IElement)pFillShapeEle, 0);
            pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
        }

        private void axMapControl1_OnMapReplaced(object sender, IMapControlEvents2_OnMapReplacedEvent e)
        {
            if (axMapControl1.LayerCount > 0)
            {
                axMapControl2.Map = new MapClass();
                for (int i = 0; i <= axMapControl1.LayerCount - 1; i++)
                {
                    axMapControl2.Map.AddLayer(axMapControl1.Map.get_Layer(i));
                }
                axMapControl2.Extent = axMapControl1.Extent;
                axMapControl2.Refresh();
            }
            //axMapControl2.LoadMxFile(axMapControl1.DocumentFilename);
            //axMapControl2.Refresh();
            //axMapControl2.Extent = axMapControl2.FullExtent;
        }

        private void axMapControl2_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
        {
            if (e.button == 1)
            {
                IPoint pPoint = new PointClass();
                pPoint.PutCoords(e.mapX, e.mapY);
                axMapControl1.CenterAt(pPoint);
                axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
            }
        }

        private void axMapControl2_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
        {
            if (axMapControl2.Map.LayerCount > 0)
            {
                if (e.button == 1)
                {
                    IPoint pPoint = new PointClass();
                    pPoint.PutCoords(e.mapX, e.mapY);
                    axMapControl1.CenterAt(pPoint);
                    axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
                }
                else
                {
                    IEnvelope pEnv = axMapControl2.TrackRectangle();
                    axMapControl1.Extent = pEnv;
                    axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
                }

            }
        }