AnsweredAssumed Answered

vrf More on User Function Menu (Stan and Juan)

Question asked by aufenanger on Sep 26, 1999
Hi Stan,

in VEE-Programs it is possible to extract functions automatically. But that
will not work properly in runtime version. I think you might do not want to
show him every function. You always have to be very carefully about input
and output of your functions. The easiest way is to use the selected
function in a formula- object. But you need some sort of standardized input
and output.

Best regards
B. Aufenanger

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Telefon          : (089) 613 984 91
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-----Original Message-----
From:     owner-vrf@hplvlrx.lvld.hp.com [mailto:owner-vrf@hplvlrx.lvld.hp.com]
On Behalf Of Barrie Walden
Sent:     Friday, September 24, 1999 10:46 PM
To:     HPVee
Subject:     vrf More on User Function Menu (Stan and Juan)

Stan (and Barbara),

You are right in assuming that I want to list available functions in a
run-time application without knowing what functions will be available as
I develop the code.  I have a question on your proposed solution - how
did you intend for the listFunction() function to work? Do I need to
enter the names of the functions into some sort of structure as part of
the library development process or is there a more automated way
(perhaps by reading the file as suggested by Dave Paslay - thanks
Dave)? 

Dave's solution benefits from adding "description" entries for each
function which can be located in the library file and used as a
reference point for locating the function name.  Entering the function
names into a structure as part of the library development process also
requires something "abnormal(?)" to be done as the library is
constructed. My hope is to allow field technicians to develop a function
library which can be used with a "core" runtime application which I am
writing.   The library will always have the same name so my code can
load it but the available functions will vary depending upon what the
technician has written. The program user will pick the desired function
from a drop-down menu.  It would be nice if the technician did not need
any special instructions for building the library beyond knowledge of
the necessary function inputs and expected outputs.

Thanks to everybody for their suggestions,

Barrie
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