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Re: Creating DLL's



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I found that carefully crafted VB3 and VB4 outperformed same functions in
commercial apps such as Metastock and SuperCharts which are presumably written
in C. With the significantly increased performance of VB5 I would expect that VB
apps of quality comparable to C++ apps would run at close (probably 80%) to the
same speed. Given the huge difference in code productivity writing in VB I think
there is no contest for 99% of coding. I might consider C++ if I had an
extremely long running, computationally intensive process.

Earl

-----Original Message-----
From: r v <rvince99@xxxxxxxxx>
To: Earl Adamy <eadamy@xxxxxxxxxx>; omega-list@xxxxxxxxxx
<omega-list@xxxxxxxxxx>
Cc: heypeter@xxxxxxxxxxxxxx <heypeter@xxxxxxxxxxxxxx>
Date: Sunday, May 10, 1998 12:02 AM
Subject: Re: Creating DLL's


>
>I agree with Earl.....VB is terrific, and now that you can combine
>it's power with Excel through VBA, and MOST quote services support
>drag & drop DDE links to Excel.....well, you get the idea I think.
>
>THe only reason I still write DLL's in C is because I've never written
>one in VB. FOr awhile, I had the notion (which may be true, may still
>be true, or I may be mistaken altogether) that C is a lot faster than
>VB. I'm not sure of this, but I would write apps in VB because you can
>write them in 1/5 th the time it takes to write it in C, then, for
>"muscle" intensive routines, write them as a C DLL called by the vb
>app.......this may still be the way to go, I'm not sure. -Ralph
>
>
>
>
>---Earl Adamy <eadamy@xxxxxxxxxx> wrote:
>>
>> I've been doing VB for years and don't buy much in the way of books
>so can't
>> make much in the way of recommendations. I've developed
>professionally in
>> perhaps a dozen plus languages over my prior career as a software
>developer and
>> VB is as good as it gets in balancing power and productivity. I used
>to do a bit
>> of C and C++ when I needed super performance but don't bother
>anymore because VB
>> is close in performance and it's a lot faster to write. DLL's are
>now referred
>> to as OLE client and OLE server objects. You won't go wrong learning
>VB if you
>> get a book which takes you step by step through creating basic
>objects whether
>> as programs, clients, or servers - it's probably the best way to
>learn both
>> programming and VB. Of course you may find that the effort of
>learning and
>> writing real programs will greatly diminish your time for trading.
>>
>> Earl
>>
>> -----Original Message-----
>> From: heypeter@xxxxxxxxxxxxxx <heypeter@xxxxxxxxxxxxxx>
>> To: Earl Adamy <eadamy@xxxxxxxxxx>
>> Cc: omega-list@xxxxxxxxxx <omega-list@xxxxxxxxxx>
>> Date: Friday, May 08, 1998 12:14 PM
>> Subject: Creating DLL's
>>
>> >I'm interested in learning how to create DLL's too but am not a
>trained
>> >programmer.  Could you recommend  a text book, URL's etc for me?
>Also
>> >which language would you suggest, Visual Basic or C++ or?, and why?
>> >
>> >Thanks in advance
>> >
>> >Peter Chan
>>
>>
>
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