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Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue

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P E Schoen schrieb:

> I have considered upgrading to a newer version of Delphi. I have heard 
> that the even numbered releases (D4 and D6) were buggy and their 
> odd-numbered successors (D5 and D7) were much better.

That's correct for the Borland products, up to D7. Afterwards bad goals 
had been chosen, e.g. a competitor for Microsoft .NET, which failed 
miserably. Then the adaptation to the MS (WinAPI) help files took 
several years, and online help still is at <50% compared to D4 or D7. 
Next came the introduction of Unicode support and Firemonkey, and way 
too late a 64 bit compiler.

> I found some 
> Delphi Enterprise 8 products on eBay for under $200 and CodeGear Delphi 
> 2007 Enterprise for $430. Embarcadero does not offer an upgrade deal 
> from D4, and their lowest level (Pro) version that offers database 
> support is $1405.
> https://www.embarcadero.com/app-development-tools-store/delphi

Upgrading existing projects seems to be quite easy, at least I could run 
a D5 program very soon on XE and XE4, with only a few missed detail 
adaptations found later. The prices, well, I think they are due to a 
shrinking user base. New projects mostly use VS, but that's not an 
option for your existing Delphi projects.

> Perhaps even better is the open source Free Pascal and the Lazarus IDE 
> that has a look and feel very similar to the Borland Delphi IDE that I 
> am used to with D4-Pro.
> http://wiki.freepascal.org/Lazarus_Documentation
> https://www.youtube.com/playlist?list=PLB24C56953A79987A

I discontinued watching FPC and Lazarus development. Some Delphi 
projects may port easily, others can require much work.

DoDi

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Delphi D4: using pointers to transfer data from COMM queue to circular queue "P E Schoen" <paul@pstech-inc.com> - 2016-08-19 02:19 -0400
  Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue "P E Schoen" <paul@pstech-inc.com> - 2016-08-19 03:58 -0400
    Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue "P E Schoen" <paul@pstech-inc.com> - 2016-08-19 04:42 -0400
      Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2016-08-19 12:34 +0200
    Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2016-08-19 12:30 +0200
      Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue "P E Schoen" <paul@pstech-inc.com> - 2016-08-19 20:54 -0400
        Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2016-08-20 12:43 +0200
          Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue "P E Schoen" <paul@pstech-inc.com> - 2016-08-20 19:15 -0400
            Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2016-08-21 12:50 +0200
              Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue "P E Schoen" <paul@pstech-inc.com> - 2016-08-22 07:12 -0400
  Re: Delphi D4: using pointers to transfer data from COMM queue to circular queue Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2016-08-19 12:27 +0200

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