Migrating From Delphi 7 to Delphi 2010
We did not know which forum was the best for this question. We have been wanting to migrate from Delphi 7 to a later version for years but it appears to be a daunting task. We first looked at D2006 and that was a radical new world. We bought D2010 a couple of years ago and not done much with it because there are so many parts to our applications. We have done a few new applications in D2010 and they seem to work okay. D2010 has not been impressive, perhaps because of the strangeness compared to D7. Is is possible for us to do a phased sort of migration where we do a form at a time? One of our applications has 65 forms and uses Woll2Woll's First Class and InfoPower libraries (we have the D2010 versions of these), InterBase, and IBObjects (we have the D2010 library for this) . We do not know if a form created under D2010 will work with a D7 form. The forms do communicate with each other and through a data module. We have already had to split the application into two main forms because D7 could not handle it as a single form (debugging no longer worked and memory leaks significantly increased). Any ideas? Thanks
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Jack
4/24/2012 6:09:26 PM
embarcadero.delphi.non-tech
5933 articles. 
1 followers.
7 Replies
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Jack Mason skrev 2012-04-24 20:09: > We did not know which forum was the best for this question. > > We have been wanting to migrate from Delphi 7 to a later version for years but it appears to be a daunting task. We first looked at D2006 and that was a radical new world. We bought D2010 a couple of years ago and not done much with it because there are so many parts to our applications. We have done a few new applications in D2010 and they seem to work okay. D2010 has not been impressive, perhaps because of the strangeness compared to D7. > > Is is possible for us to do a phased sort of migration where we do a form at a time? One of our applications has 65 forms and uses Woll2Woll's First Class and InfoPower libraries (we have the D2010 versions of these), InterBase, and IBObjects (we have the D2010 library for this) . We do not know if a form created under D2010 will work with a D7 form. The forms do communicate with each other and through a data module. > > We have already had to split the application into two main forms because D7 could not handle it as a single form (debugging no longer worked and memory leaks significantly increased). > > Any ideas? > > Thanks Have you tried just opening the project in D2010 and compile? The biggest problem might be that you get lots of warnings about string conversions as D2010 is Unicode. But that is the approach I would take. /Anders
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Anders
4/24/2012 7:02:46 PM
Yes, we tried that first thing. Indy components did not work (required conversion to Indy 10). The multitude of error messages did deter us. We will try it again. Thanks
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Jack
4/24/2012 7:09:39 PM
Hi, D2010 can't compile D7 forms and visa versa. I would install the D2010 libaries and open the project and see what happens. Make a copy of the complete source and start use it with D2010. Nice installed on a clean machine ;-) Your main task will be Unicode issues in your own source, the D2010 libaries will be in Unicode already. I don't think there are much issues with the rest. Greets.
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Robert
4/24/2012 7:22:19 PM
Thanks, Robert!
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Jack
4/24/2012 7:32:09 PM
>required conversion to Indy 10). oops... "The 10 version was needed for compatibility and implamentations with .net. That's why there're so many differences between 9 and 10" Isn't there a choice between them when installing D2010? Greets
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Robert
4/24/2012 7:32:29 PM
Robert wrote: > Isn't there a choice between them when installing D2010? No. Indy 9 does not support D2009+ at all. -- Remy Lebeau (TeamB)
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Remy
4/24/2012 7:46:31 PM
Hi, For the Indy part look at this conference (this will be the most difficult part): [http://conferences.embarcadero.com/article/32160] The rest of work is not too complex but tedious.
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Utf
4/24/2012 9:53:56 PM
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