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echo: delphi
to: RON TUYNMAN
from: ROB WILLIAMS
date: 1997-07-06 15:36:00
subject: RE: Visual basic vs. Delp

RT> RW> RTPGET is a third party tool, though, isn't it? 
  > ...Yes and no: it's a component I wrote and linked to my own RTPLIB.
Well, bottom line, it doesn't come included with Clipper...
RT> RW> I think you should be able to do that, using an index with a function
  > RW> attached to it (but I'm not sure exactly why you would want to do
  > RW> that).
  > ...Yust tell me HOW I can make an index with a function attached to
  > it, pleasy! And let me do the worrying WHY... ;-)
  > But I'll give you a clue: birthdays...
Well, I haven't done it, but have you played around with the database
desktop?  I assume these are DBase databases, right?  You might have
better luck with Paradox databases, as they support more datatypes, etc.
Sorry I can't be of more help, but I am pretty sure it can be done, I
have just never had the need to do it.
  > ...Strange you still got to open the databases on every form. Once on
  > the main form should be enough.
I couldn't tell you why it won't work in Delphi 1....But it does work
really slick in 2.0!  In 1.0, if you do what I explained earlier, you
only open them once, or in 2.0, you only open them once, since you only
have 1 "instance" of them.  If you add a datasource and table to each
form, them you would have to open each "instance" of them separately.
  > But then I'm not going to buy Delphi 2 or 3 when I'm not managing to
  > make this language work for me. First I need some proof that Delphi
  > is a language I can work with. Screenpainting is a sheer delight. But
  > the engine underneath is giving me hell.
Well, all I can tell you is that programming in 32 bits is MUCH easier
than in 16.  No more problems with data segments being too big (well, I
suppose you COULD make it too big, but....), better compiler, faster,
etc.  The only problem is if your target audience is still running
windows 3.x.  I know what you want can be done, though.
  > ...I don't give up that easily. But for the time beeing I still keep
  > my eyes and ears open for alternatives (Clarion, CA-Visual Objects
  > 2.0, Visual dBase)
I don't think any of them will give you the combination of performance
and RAD capabilities of Delphi.  I don't think any of them even come
close.
  > ...No, although VB is a lot more common to me than Pascal. But VB has
  > for what I understand of it no sufficient database capabilities.
Unless you are using all MS products (Access, mainly).
RT> RW> I learned what I know by myself.  Also, see if there is a Delphi user
  > RW> group where you live.
  > ...I have that area attached, but some people there don't want to
  > help because I earned some money with my Clipper- programming. Others
  > DID give me some excellent hints though!
Well, keep with them, I think they will be a source of lots of help to
you...
RT> Thanx for 'the belt under the heart' (Dutch expression for giving
  > someone support...)
I'll play around with the database desktop and see if I can figure out
how to create an index with a function attached to it.
Rob
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