超图FAQ: Layer3DKML layer3dkml = sceneControl1.Scene.Layers[0] as Layer3DKML;
layer3dkml.Features.FindFeature(id, Feature3DSearchOption.AllFeatures);
Feature3D fes = layer3dkml.Features.FindFeature(id, Feature3DSearchOption.AllFeatures);
GeoPlacemark geoplace = fes.Geometry as GeoPlacemark;
GeoModel geomod = geoplace.Geometry as GeoModel;