/// <summary>
/// Overrides <see cref="CADability.GeoObject.IGeoObjectImpl.PrePaintTo3D (IPaintTo3D)"/>
/// </summary>
/// <param name="paintTo3D"></param>
public override void PrePaintTo3D(IPaintTo3D paintTo3D)
{
paintTo3D.PreparePointSymbol(this.symbol);
paintTo3D.PreparePointSymbol(this.symbol | PointSymbol.Select);
}