PageLength ([nNewRows]) --> nOldRows:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Functions:
~~~~~~~~~~
Internal static variable contains a number lines pre page for reports.
If performed without a parameters, it returns the current lines/page,
with a parameter it stores as new value lines/page.


Parameter description:
~~~~~~~~~~~~~~~~~~~~~~
cNewRows: new value lines pre page for reports.


Return value:
~~~~~~~~~~~~~
current number lines/page.


Source code is in file Object3.prg