/**
  * <summary>
  *   Returns the progress of the downloads of the measures from the data logger,
  *   on a scale from 0 to 100.
  * <para>
  *   When the object is instantiated by <c>get_dataSet</c>,
  *   the progress is zero. Each time <c>loadMore()</c> is invoked, the progress
  *   is updated, to reach the value 100 only once all measures have been loaded.
  * </para>
  * <para>
  * </para>
  * </summary>
  * <returns>
  *   an integer in the range 0 to 100 (percentage of completion).
  * </returns>
  */
 public virtual int get_progress()
 {
     return(_objref.get_progress());
 }