Question

跪求ArcEngine+C#开发大神

如何实现点击高亮的属性查询，例子 源码
核心问题是实现位置查询

Answer 1

实现：通过鼠标选择要素并高亮显示：
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●·● ISelectionEnvironment 接口：
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通过 IMap 接口的 SelectByShape 方法来实现！同时可以修改高亮显示的颜色！

private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
IMap pMap = axMapControl1.Map;
IGeometry pGeometry = axMapControl1.TrackRectangle(); //获取框选几何
ISelectionEnvironment pSelectionEnv = new SelectionEnvironment(); //新建选择环境
IRgbColor pColor = new RgbColor();
pColor.Red = 255;
pSelectionEnv.DefaultColor = pColor; //设置高亮显示的颜色！

pMap.SelectByShape(pGeometry, pSelectionEnv, false); //选择图形！
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}