[Lazarus] Help needed for conference...

[Mattias Gaertner]

On Mon, 12 Oct 2009 17:31:31 +0200 (CEST)
Michael Van Canneyt <michael at freepascal.org> wrote:

> 
> 
> On Mon, 12 Oct 2009, Geoffray wrote:
> 
> > Hi the list...
> >
> > You probably don't know me but I'm for years a Lazarus fan.
> >
> > I have to prepare a conference for February 2010 in my LUG. The
> > main theme is to give a good idea of what are Lazarus and Free
> > Pascal with technical demonstration. This is the easy part... The
> > public will be mainly Delphi users (including companies) that want
> > to move from Delphi to Free Pascal. So I need help with details
> > about which problems they can meet, the solutions, supported
> > feature, and not (yet) supported ones...
> 
> Having ported/developed some applications, the main problems when
> porting are IMHO:
> 
> a) They should not expect to find the same components in Lazarus as
> in Delphi. (This concerns mostly DB components, web components. GUI
> is mostly covered)
> 
> b) Third-party components are usually not usable.
>     (unless that company supports FPC, which is unlikely)
> 
> c) Cross-platform development means:
>    - No Windows API. (e.g. the registry).
>    - SizeOf(integer)<>SizeOf(Pointer)!
>    - No assembler
> 
> And under no circumstances promote '1 source for both Delphi/Lazarus'
> because that is a recipe for problems :(

Here are some more details:
http://wiki.lazarus.freepascal.org/Lazarus_Documentation#Coming_from_Delphi


Mattias