[DUG] Program design question

[Leigh Wanstead]

Delphi package might cause unit cross reference nightmare if do not design
properly.

Regards
Leigh
http://www.salenz.com


-----Original Message-----
From: delphi-bounces at ns3.123.co.nz
[mailto:delphi-bounces at ns3.123.co.nz]On Behalf Of Todd Martin
Sent: Friday, 10 June 2005 10:38 a.m.
To: johnkbird at paradise.net.nz; NZ Borland Developers Group - Delphi List
Subject: Re: [DUG] Program design question


Why not use a Delphi package for your main application? Use
LoadPackage()/UnloadPackage() to load/unload it at runtime from your monitor
application.

----- Original Message -----
From: "John Bird" <johnkbird at paradise.net.nz>
To: "'NZ Borland Developers Group - Delphi List'" <delphi at ns3.123.co.nz>
Sent: Thursday, June 09, 2005 6:09 PM
Subject: [DUG] Program design question


>A program design question: whether to put extra functionality into one
> program or several.
>
> I have written a monitor program (automated time recording).  Ideally I
> want
> it as slim as possible since its running all the time.  Hence my idea is
> to
> have one small 1-form program, and when I click on any of the report or
> setup buttons, it actually fires up a separate and much larger program
> using
> shellexecute, and suspends itself (closes the logfile) while the other
> program runs.
>
> Question 1 - what is the best way for two separate programs to exchange
> information - the monitor program needs to be told when the setup program
> finishes in order to start running again, and also there is some other
> information such as setup options I need to communicate back and forth (eg
> which program and/or form fired up the setup program so it can give it
> focus
> again at the end).  Now I can write this information in a disk data file,
> but I reckon there has in Windows to be a better way to do it - using some
> kind of message.  Or is the simplest to use parameter strings in the
> comandline when starting the second program?
>
> Question 2 - if I put all code in one program and don't create the extra
> forms/Windows till needed, I am pretty sure I still will have a much
> bigger
> program than option 1.  Any comments?
>
>
> John Bird
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