(一)使用mapcontrol.refresh()
(二)在選擇要素處使用
esri.arcgis.carto.ilayer layer = axmapcontrol1.get_layer(0);
esri.arcgis.carto.ifeatureselection selection = layer as esri.arcgis.carto.ifeatureselection;
esri.arcgis.geodatabase.iqueryfilter filter = new esri.arcgis.geodatabase.queryfilterclass();
filter.whereclause = "id in ('p0038', 'p0039')";//要高亮的feature的id
axmapcontrol1.activeview.partialrefresh(esri.arcgis.carto.esriviewdrawphase.esriviewgeoselection, layer, null);//重新整理feature所在的圖層
selection.clear();//清除以前的高亮
selection.selectfeatures(filter, esri.arcgis.carto.esriselectionresultenum.esriselectionresultnew, false);//新的高亮
axmapcontrol1.activeview.partialrefresh(esri.arcgis.carto.esriviewdrawphase.esriviewgeoselection, layer, null);//重新整理feature所在的圖層
需要注意的是，我在程式中呼叫了兩次partialrefresh()，這個不是多餘，因為要selection.clear()的前後分別執行一次partialrefresh()，才能清除以前的高亮
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