基于SceneControl单击查询功能的实现

 1 private void HandleIdentify_MouseDown(object sender, ISceneControlEvents_OnMouseDownEvent e)  
 2        {  
 3            this.PipeSceneControl.Scene.ClearSelection();//清除之前的选择集，去除高亮显示  
 4            IHit3DSet pHit3DSet = null;  
 5            this.PipeSceneControl.SceneGraph.LocateMultiple(this.PipeSceneControl.SceneViewer, e.x, e.y, esriScenePickMode.esriScenePickAll, false, out pHit3DSet);  
 6            pHit3DSet.OnePerLayer();  
 7            if (pHit3DSet.Hits.Count == 0)  
 8            {  
 9                MessageBox.Show("没有选中任何要素!");  
10                return;  
11            }  
12            IHit3D pHit3D = pHit3DSet.Hits.get_Element(0) as IHit3D;  
13            IFeature pFeature = pHit3D.Object as IFeature;//pHit3D.Owner其实是一个ILayer类型，pHit3D.Object是一个IFeature类型  
14            IFields pFields = pFeature.Fields;  
15            StringBuilder Info = new StringBuilder();  
16            for (int i = 0; i < pFields.FieldCount;i++ )  
17            {  
18                IField pField = pFields.get_Field(i);  
19                if (pField.Type != esriFieldType.esriFieldTypeGeometry)  
20                {  
21                    Info.Append(pField.Name + ":" + pFeature.get_Value(pFields.FindField(pField.Name)) + "\n");  
22                }  
23            }  
24            MessageBox.Show(Info.ToString());  
25            IDisplay3D pDisplay3D = this.PipeSceneControl.SceneGraph as IDisplay3D;  
26            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  
27            //pDisplay3D.AddFlashFeature(pFeature.Shape);//保持高亮  
28            this.PipeSceneControl.Scene.SelectFeature(pHit3D.Owner as ILayer, pFeature);//加入选择集，并自动高亮  
29        }  

 

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