GlobeControl选择矢量要素

通过GlobeControl提供的接口对加载在GlobeControl上的矢量特征要素进行操作的代码如下：

 IPoint ppPoint = new PointClass();

(ppPoint as IZAware).ZAware = true;

object ppObject;

 object ppOwner;

axGlobeCtrl.GlobeDisplay.Locate(axGlobeCtrl.GlobeDisplay.ActiveViewer, e.x, e.y, false, false, out ppPoint, out ppOwner, out ppObject);

//如果为空返回

 if (ppPoint == null || ppOwner == null)

 return;

 IElement element = ppObject as IElement; //element包含了选择的矢量要素

 // IPoint point = element.Geometry as IPoint; //选择并标记矢量要素

 IGlobeGraphicsLayer layer = ppOwner as IGlobeGraphicsLayer;

 IGraphicsSelection graphicsSelection = layer as IGraphicsSelection;

graphicsSelection.SelectElement(element);

axGlobeCtrl.GlobeDisplay.

RefreshViewers();

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