MSE_Show ( lVar ) -> lAltMausStat

  Shows or hides the MouseCursor

  +------------------------------------------------------------------------+
  |  I just love short descriptions. First you programm night and day and  |
  |  then you have to write your fingers sore, getting this documentation  |
  |  done ( Max says: Well, Tom, translating is just as strenuous )        |
  +------------------------------------------------------------------------+


  where were we ? Ah, yes  MSE_Show():

  PARAMETER:

        lVar    .T. = shows the mouse
                .F. = hides the mouse

  RETURN VALUES:

         Old Status .T. or .F.


  EXAMPLE:

         lMouseStat := MSE_Show ( .f. ) // Hides the mouse.