[DUG] manually process Windows messages

[Jolyon Smith]

As I thought.  I would say that even in NZ with it's much maligned internet
infrastructure, I think your concern is unwarranted and the hoops you may
have to jump thru possibly not worth the effort.

 

Whilst it's possible to do what you need without using Forms, you may find
over time that this self imposed constraint becomes more and more difficult
to stick to.  If it were me I would use Forms and not worry about the
additional 360KB or so (your installer is likely to add more bloat to the
overall download size than the Forms unit and the VCL do, so in proportion
that addition is likely to be negligible).

 

 

From: delphi-bounces at delphi.org.nz [mailto:delphi-bounces at delphi.org.nz] On
Behalf Of Ross Levis
Sent: Tuesday, 26 January 2010 1:18 p.m.
To: 'NZ Borland Developers Group - Delphi List'
Subject: Re: [DUG] manually process Windows messages

 

Using D7, mine grows from 100k to around 500k.  The size is important for
loading speed and also the final installer package size.  Since my software
is download only, I always try to keep the download size as small as
possible.

 

Ross.

 

From: delphi-bounces at delphi.org.nz [mailto:delphi-bounces at delphi.org.nz] On
Behalf Of Jolyon Smith
Sent: Tuesday, 26 January 2010 10:24 a.m.
To: 'NZ Borland Developers Group - Delphi List'
Subject: Re: [DUG] manually process Windows messages

 

I wouldn't expect that at all.  I forget the details of why, but using the
Forms unit unavoidably drags in a whole host of VCL code.  This is easily
tested, just try compiling:

 

program Vacuum;

begin

end.

 

And you get an EXE of 22KB.  Simply adding a "uses Forms;", even without
referencing anything from the Forms unit in the "code" and your equally
non-functional vacuum.exe "explodes" to 382KB (BDS2006).

 

Having said that, 382KB is not exactly excessive "bloat" in my book.

 

So my question for the original poster is what criteria is it that demands
that the executable absolutely has to avoid this overhead?

 

 

From: delphi-bounces at delphi.org.nz [mailto:delphi-bounces at delphi.org.nz] On
Behalf Of John Bird
Sent: Tuesday, 26 January 2010 9:55 a.m.
To: NZ Borland Developers Group - Delphi List
Subject: Re: [DUG] manually process Windows messages

 

I would expect if you specify Forms (to get Application.ProcessMessages) and
only call that and nothing else from Forms then you will only get what
functions are needed linked into your application - I suggest you try it and
see how much bigger it makes the application.

 

John

 

I've looked at what Application.ProcessMessages does but I'm not sure what I
need to get this working.  Any thoughts appreciated, or some code J.

 

Thanks,

Ross.

Tauranga.


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