protected virtual void GrafittiFreeSpace()
        {
            if (!(Db() is IoAdaptedObjectContainer))
            {
                return;
            }
            IoAdaptedObjectContainer file = ((IoAdaptedObjectContainer)Db());
            IFreespaceManager        fm   = file.FreespaceManager();

            fm.Traverse(new _IVisitor4_60(file));
        }
 public _IVisitor4_60(IoAdaptedObjectContainer file)
 {
     this.file = file;
 }