基于SceneControl单击查询功能的实现

 private void HandleIdentify_MouseDown(object sender, ISceneControlEvents_OnMouseDownEvent e)

        {

            this.PipeSceneControl.Scene.ClearSelection();//清除之前的选择集，去除高亮显示

            IHit3DSet pHit3DSet = null;

            this.PipeSceneControl.SceneGraph.LocateMultiple(this.PipeSceneControl.SceneViewer, e.x, e.y, esriScenePickMode.esriScenePickAll, false, out pHit3DSet);

            pHit3DSet.OnePerLayer();

            if (pHit3DSet.Hits.Count == )

            {

                MessageBox.Show("没有选中任何要素!");

                return;

            }

            IHit3D pHit3D = pHit3DSet.Hits.get_Element() as IHit3D;

            IFeature pFeature = pHit3D.Object as IFeature;//pHit3D.Owner其实是一个ILayer类型，pHit3D.Object是一个IFeature类型

            IFields pFields = pFeature.Fields;

            StringBuilder Info = new StringBuilder();

            for (int i = ; i < pFields.FieldCount;i++ )

            {

                IField pField = pFields.get_Field(i);

                if (pField.Type != esriFieldType.esriFieldTypeGeometry)

                {

                    Info.Append(pField.Name + ":" + pFeature.get_Value(pFields.FindField(pField.Name)) + "\n");

                }

            }

            MessageBox.Show(Info.ToString());

            IDisplay3D pDisplay3D = this.PipeSceneControl.SceneGraph as IDisplay3D;

            pDisplay3D.FlashGeometry(pHit3D.Owner, pHit3D.Object);//闪烁一次，pHit3D.Owner是一个ILayer类型，pHit3D.Object是一个IFeature类型

            //pDisplay3D.AddFlashFeature(pFeature.Shape);//保持高亮

            this.PipeSceneControl.Scene.SelectFeature(pHit3D.Owner as ILayer, pFeature);//加入选择集，并自动高亮

        }  

文章来源：http://blog.csdn.net/iispring/article/details/7284077