超图FAQ: Feature3D feature3DMore = scenecontrol.Scene.Layers[0].Features[0] as Feature3D; GeoBillboard geoBillboardMore = (feature3DMore.Geometry as GeoPlacemark).Geometry as GeoBillboard; if (null == geoBillboardMore) { return; } // 名称 GeoText3D geoText3D = geoBillboardMore.Get(1) as GeoText3D; if (null == geoText3D) { return; } TextPart3D textPart3D = geoText3D[0] as TextPart3D; if (null == textPart3D) { return; } Random random = new Random(); textPart3D.Text = random.Next(100).ToString(); geoBillboardMore.Set(1, geoText3D); feature3DMore.UpdateData();