1 private void axMapControl1_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e) 2         { 3             //获取地图当前的范围（包络线） 4             IEnvelope pEnvelope = (IEnvelope)e.newEnvelope; 5             //将鹰眼地图设置为地理容器,再设置为活动视图 6             IGraphicsContainer pGraphicsContainer = axMapControl2.Map as IGraphicsContainer; 7             IActiveView pActiveView = pGraphicsContainer as IActiveView; 8             //清除鹰眼地图中的任何图形元素 9             pGraphicsContainer.DeleteAllElements();10             //设置矩形范围11             IRectangleElement pRectangeEle = new RectangleElementClass();12             IElement pElement = pRectangeEle as IElement;13             pElement.Geometry = pEnvelope;14 15             //创建鹰眼图中的红线框16             IRgbColor pColor = new RgbColor();17             pColor.Red = 255;18             pColor.Blue = 0;19             pColor.Green = 0;20             pColor.Transparency = 255;21 22             //创建线符号对象23             ILineSymbol pOutline = new SimpleLineSymbolClass();24             pOutline.Width = 3;25             pOutline.Color = pColor;26 27             //设置颜色属性28             pColor = new RgbColorClass();29             pColor.Red = 255;30             pColor.Blue = 0;31             pColor.Green = 0;32             pColor.Transparency = 0;33 34             //设置填充符号35             IFillSymbol pFillSymbol = new SimpleFillSymbolClass();36             pFillSymbol.Color = pColor;37             pFillSymbol.Outline = pOutline;38             39             IFillShapeElement pFillShapeEle = pElement as IFillShapeElement;40             pFillShapeEle.Symbol = pFillSymbol;41 42             pGraphicsContainer.AddElement((IElement)pFillShapeEle, 0);43             pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);44         }45 46         private void axMapControl1_OnMapReplaced(object sender, IMapControlEvents2_OnMapReplacedEvent e)47         {48             if (axMapControl1.LayerCount > 0)49             {50                 axMapControl2.Map = new MapClass();51                 for (int i = 0; i <= axMapControl1.LayerCount - 1; i++)52                 {53                     axMapControl2.Map.AddLayer(axMapControl1.Map.get_Layer(i));54                 }55                 axMapControl2.Extent = axMapControl1.Extent;56                 axMapControl2.Refresh();57             }58             //axMapControl2.LoadMxFile(axMapControl1.DocumentFilename);59             //axMapControl2.Refresh();60             //axMapControl2.Extent = axMapControl2.FullExtent;61         }62 63         private void axMapControl2_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)64         {65             if (e.button == 1)66             {67                 IPoint pPoint = new PointClass();68                 pPoint.PutCoords(e.mapX, e.mapY);69                 axMapControl1.CenterAt(pPoint);70                 axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);71             }72         }73 74         private void axMapControl2_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)75         {76             if (axMapControl2.Map.LayerCount > 0)77             {78                 if (e.button == 1)79                 {80                     IPoint pPoint = new PointClass();81                     pPoint.PutCoords(e.mapX, e.mapY);82                     axMapControl1.CenterAt(pPoint);83                     axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);84                 }85                 else86                 {87                     IEnvelope pEnv = axMapControl2.TrackRectangle();88                     axMapControl1.Extent = pEnv;89                     axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);90                 }91 92             }93         }