On 2015-07-15 19:58, David Emerson wrote:
> Any example code that shows the power of interfaces or
> TAggregatedObject in a somewhat useful example?
The best Interfaces usage I've ever seen was done by Joanna Carter with
her MVP implementation. The articles and source code is available on my
serv
Thanks, Graeme and Sven!
On 07/14/2015 11:05 PM, Sven Barth wrote:
Not related to your problem, but important nevertheless: you don't need
to free interface variables. They are reference counted and freed
automatically at least if you don't mix a class reference (in your case
to t_foo_base) and
Am 15.07.2015 11:51 schrieb "Graeme Geldenhuys" <
mailingli...@geldenhuys.co.uk>:
>
> On 2015-07-15 10:21, Sven Barth wrote:
> > The property could even be
> > protected or private and it should still work as long as the containing
> > class has the interface in its parent list.
>
> I thought that
On 2015-07-15 10:21, Sven Barth wrote:
> The property could even be
> protected or private and it should still work as long as the containing
> class has the interface in its parent list.
I thought that would only work if you access the method via an interface
variable, not a class instance variab
Am 15.07.2015 09:27 schrieb "Graeme Geldenhuys" <
mailingli...@geldenhuys.co.uk>:
>
> On 2015-07-15 05:06, David Emerson wrote:
> > So... since t_fancy_class implements the interface i_foo, why is
> > t_fancy_class.foo not available?
>
> Because you told it a property named "hook" implements it, so
On 2015-07-15 05:06, David Emerson wrote:
> So... since t_fancy_class implements the interface i_foo, why is
> t_fancy_class.foo not available?
Because you told it a property named "hook" implements it, so you need
to call it as follows:
fc.hook.foo;
Regards,
- Graeme -
--
fpGUI Toolkit
Am 15.07.2015 06:07 schrieb "David Emerson" :
[snip]
> constructor t_fancy_class.create;
> begin
> inherited;
> f_hook := t_foo_base.create;
> end;
>
> destructor t_fancy_class.destroy;
> begin
> t_foo_base(f_hook).free;
> inherited;
> end;
[snip]
Not related to your proble
Hi list!
I'm just starting in with interfaces, and am happy to see there is
something similar to multiple inheritence available. But it seems to be
limited in a way I will show below, so I am wondering if there is
something I am missing. Example code says it best...
program test_interfaces;
