IDENTIFY

最新推荐文章于 2021-01-22 11:19:54 发布

mydriverc

最新推荐文章于 2021-01-22 11:19:54 发布

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文章标签： layer

IMap  pMap;
    IPoint   pPoint;
    pMap = axMapControl1.Map;
    pPoint = axMapControl1.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);;

    IIdentify   pIdentify;
    IArray   pIDArray;
    IFeatureIdentifyObj     pFeatIdObj;
    IIdentifyObj    pIdObj;
    pIdentify = pMap.get_Layer(0) as IIdentify;

    IEnvelope    pEnv;
    pEnv = new Envelope() as IEnvelope;
    pEnv = axMapControl1.ActiveView.Extent;
    pEnv.Height = 0.5;
    pEnv.Width =0.5;
                pEnv.CenterAt (pPoint);

pIDArray = pIdentify.Identify(pEnv);

    pFeatIdObj = pIDArray.get_Element(0) as IFeatureIdentifyObj ;
    pIdObj = pFeatIdObj as IIdentifyObj;
                pIdObj.Flash(axMapControl1.ActiveView.ScreenDisplay);
              //消息显示查询目标的信息
             MessageBox.Show("Layer:"+pIdObj.Layer.Name+"/r/n"+"Feature:"+pIdObj.Name);