// 鹰眼视图功能  ...
// OnMapReplaced当mapcontrol1中的地图被替换时,该方法自动加载主空间中所有的图层对象到鹰眼
private void mainMapControl_OnMapReplaced(object sender, IMapControlEvents2_OnMapReplacedEvent e)
{
if (mainMapControl.Map.LayerCount > 0)
{
for (int i = 0; i < mainMapControl.Map.LayerCount; i++)
{
// 加载
eyeMapControl.AddLayer(mainMapControl.get_Layer(i));
}
// 鹰眼视图的范围等于mainMap当前的范围
eyeMapControl.Extent = mainMapControl.Extent;
eyeMapControl.ActiveView.Refresh();
}
}
//鹰眼功能   范围更新
// //--2、在主控件中使用鼠标拖拽视图的时候,鹰眼控件中出现红色矩形框
//--2、该方法发生在主视图的范围发生变换后,
private void mainMapControl_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
{

IEnvelope pEnvelope = (IEnvelope)e.newEnvelope;
IGraphicsContainer pGraphicsContainer = eyeMapControl.Map as IGraphicsContainer;
IActiveView pActiveView = pGraphicsContainer as IActiveView;
pGraphicsContainer.DeleteAllElements();
IRectangleElement pRectangleEle = new RectangleElementClass();
IElement pElement = pRectangleEle as IElement;
pElement.Geometry = pEnvelope;

IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 0;
pColor.Blue = 0;
pColor.Transparency = 255;

ILineSymbol pOutline = new SimpleLineSymbolClass();
pOutline.Width = 3;
pOutline.Color = pColor;
pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 0;
pColor.Blue = 0;
pColor.Transparency = 0;

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);

}
// 鹰眼视图功能   鹰眼视图点击=》主图范围跟着变化
private void eyeMapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
// 如果被点击
if (e.button == 1)
{
IPoint point = new ESRI.ArcGIS.Geometry.Point();
//获取点击鹰眼视图的点击的位置
point.PutCoords(e.mapX, e.mapY);
// 主图的中心位于点击的点point上
mainMapControl.CenterAt(point);
mainMapControl.ActiveView.Refresh();
}
// 如果是右键
else if (e.button == 2)
{
IEnvelope pEnv = eyeMapControl.TrackRectangle();
mainMapControl.Extent = pEnv;
mainMapControl.ActiveView.Refresh();
}
}
private void eyeMapControl_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
if (e.button == 1)
{
IPoint pPoint = new PointClass();
pPoint.PutCoords(e.mapX, e.mapY);
mainMapControl.CenterAt(pPoint);
mainMapControl.ActiveView.Refresh();
}
}