Hi
The essential part is to have virtual constructor like in Florian Klaempfl's
example code:
t_mammal = class
public
constructor create (color : byte); virtual;
end;
and then...
t_pig = class(t_mammal)
public
constructor create (color : byte); override;
end;
t
Hi David,
If I'm reading your need correctly...
function CopyMyMammal(value: T_Mammal; extraParameters): T_Mammal;
begin
result := T_Mammal_Class(value.ClassType).Create(withExtraParameters);
end;
Only confusion is you say you cannot make the type conversion? But the above
code is correct and
> Tobject.classtype returns TClass (class of TObject) which I first
> assumed would work great. However I cannot seem to do a type
> conversion from TClass to t_mammal_class (class of t_mammal)! So I am
> stuck here.
well, I got this working, not sure why I had so much trouble with a
simple typ
David Emerson wrote:
How can I obtain a class type variable from an instance? I want to
create a second instance of the same descendant class (via the
constructor, which will take some parameters and make the new instance
unique)
Tobject.classtype returns TClass (class of TObject) which I fir
How can I obtain a class type variable from an instance? I want to
create a second instance of the same descendant class (via the
constructor, which will take some parameters and make the new instance
unique)
Tobject.classtype returns TClass (class of TObject) which I first
assumed would work
On 20 March 2010 11:08, Jorge Aldo G. de F. Junior wrote:
>
> now i am going to join the fpgui mailgroup.
The opensoft.homeip.net server is down until Tuesday morning 08:00
(GMT+2). We have builders working at our office over the weekend so
for safety, had to shutdown all power.
Sorry for the i
thank you all, im working on understanding directfb first, so i have
nothing to show about fbGUI (i was looking at fpg gdi and fpg x11 and
it looked quite alien to me... i think i will need more help).
now i am going to join the fpgui mailgroup.
thank you all.
