SaveHelpIdx (aNewIdx) --> true:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Functions:
~~~~~~~~~~
If is SetHelpIdx()==true the subfields to display information is stored
for display by HelpKeys(). More deep description is in describing of
HelpKeys().

Parameter description:
~~~~~~~~~~~~~~~~~~~~~~
aNewIdx:  array of subfields to display index.

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

Remarks:
~~~~~~~~
It is possible to use functions SaveHelpIdx() and RestHelpIdx() in more
levels by repeatedly calling the first and for restoring the second
function.

Source code is in file  Object2.prg