BoxShadow(nRow,nCol,nRow2,nCol2,[cColor]) --> true:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Functions:
~~~~~~~~~~
the shadow is painted around the window with coordinates nRow,nCol,nRow2,
nCol2 in cColor.

Parameter description:
~~~~~~~~~~~~~~~~~~~~~~
nRow:   upper window border
nCol:   left window border
nRow2:  bottom window border
nCol2:  right window border
cColor: shadow color, default is border (third SetColor() item)

Return value:
~~~~~~~~~~~~~
true

Source code is in file  Object3.prg