[求助]Globe中元素（Element）能闪烁吗？

IDisplay3D fDisplay = new SceneGraphClass();<BR>                fDisplay = (IDisplay3D)axGlobeControl1.GlobeDisplay;<BR>                ISpatialReference PSR = axGlobeControl1.GlobeDisplay.Scene.SpatialReference;<BR>                pElement.Geometry.SpatialReference = PSR;<BR>                fDisplay.FlashGeometry(pNewLayer, pElement.Geometry);//这个Element没有闪烁!请教高手！