public static void AddOutlineToGraphicsLayer3D(IGraphicsContainer3D graphicsContainer3D, IGeometryCollection geometryCollection, IColor color, esriSimple3DLineStyle style, double width)
        {
            for (int i = 0; i < geometryCollection.GeometryCount; i++)
            {
                IGeometry geometry = geometryCollection.get_Geometry(i);

                graphicsContainer3D.AddElement(ElementUtilities.ConstructPolylineElement(geometry, color, style, width));
            }
        }
 public static void AddMultiPatchToGraphicsLayer3D(IGraphicsContainer3D graphicsContainer3D, IGeometry geometry, IColor color)
 {
     graphicsContainer3D.AddElement(ElementUtilities.ConstructMultiPatchElement(geometry, color));
 }
 public static void AddAxisToGraphicsLayer3D(IGraphicsContainer3D graphicsContainer3D, IGeometry geometry, IColor color, esriSimple3DLineStyle style, double width)
 {
     graphicsContainer3D.AddElement(ElementUtilities.ConstructPolylineElement(geometry, color, style, width));
 }