ArcgisEngine鹰眼功能

// 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();
    }
}