[转载] ArcIMS根据查询结果定位并高亮显示（面图层的定位）（ADF+C#）

 //定位到指定的面，并高亮显示
        ESRI.ArcGIS.ADF.Web.DataSources.IMS.MapFunctionality mf = (ESRI.ArcGIS.ADF.Web.DataSources.IMS.MapFunctionality)Map1.GetFunctionality(0); ;
        ESRI.ArcGIS.ADF.IMS.Carto.MapView mv= mf.MapView;
        ESRI.ArcGIS.ADF.IMS.Carto.Layer.FeatureLayer queryLayer;
        queryLayer = (FeatureLayer)mv.Layers.FindByName("SDE.SDE.行政分区");
        Filter queryFilter = new Filter();
        string strSQL = "objectid='1''";
        queryFilter.WhereExpression = strSQL;
        QueryParameters queryParams = new QueryParameters(queryFilter);
        queryFilter.Tolerance = 20;
        queryFilter.ToleranceUnits = BufferUnits.Meters;
        queryParams.ReturnGeometries = true;
        queryParams.ReturnGlobalEnvelope = true;
        queryLayer.Visible = true;
        FeatureTable ft = queryLayer.Query(queryParams);
        //缩放至查询结果的区域
        if (ft.Rows.Count != 0)
        {
            ESRI.ArcGIS.ADF.IMS.Geometry.Geometry featureGeom = (ESRI.ArcGIS.ADF.IMS.Geometry.Geometry)ft.Rows[0]["#SHAPE#"];
            ESRI.ArcGIS.ADF.Web.Geometry.Geometry adfGEom = ESRI.ArcGIS.ADF.Web.DataSources.IMS.Converter.ToADFGeometry(featureGeom);
            ESRI.ArcGIS.ADF.Web.Geometry.Envelope adfEnv = ESRI.ArcGIS.ADF.Web.Geometry.Envelope.GetMinimumEnclosingEnvelope(adfGEom);
            Map1.Extent = adfEnv;
        }


        ESRI.ArcGIS.ADF.IMS.Display.Symbol.FeatureSymbol selSymbol = new ESRI.ArcGIS.ADF.IMS.Display.Symbol.SimpleFillSymbol(System.Drawing.Color.Yellow, System.Drawing.Color.Red, PolygonFillType.Solid);
        selSymbol.Transparency = 10;
        ESRI.ArcGIS.ADF.IMS.Display.Renderer.ValueMapRenderer selValueMapRenderer = new ESRI.ArcGIS.ADF.IMS.Display.Renderer.ValueMapRenderer("", selSymbol, "名称");
        FeatureLayer hilightLayer = queryLayer.CreateSelectionLayer(queryFilter, selValueMapRenderer, "hilightlayer");
        hilightLayer.Name = "SelectedPARCEL";
        //将图层添加到mapView中
        if (mv.Layers.FindByName("SelectedPARCEL") == null)
        {
            mv.Layers.Add(hilightLayer);
        }
        else
        {
            mv.ClearSelectionLayers();
            mv.Layers.Add(hilightLayer);
        }

        Map1.Refresh();