func Init()
  lng.decl_class_var(ds, 'KOLString')
end

func _create(_data)
  println(ds, ' := ', SrcStr, ';') 
  println('Delete(', ds, ',', Position, ',', CharCount, ');')
end

func doDelete()
  _create(_data)
  event(onDelete, ds)
end

func Result()
  if(not linked(doDelete))
    _create(_data)
  end
  return(ds)
end