[fpc-pascal] Clone a instance of object

[Michael Van Canneyt]

On Mon, 23 Sep 2013, Zaher Dirkey wrote:

> 
> On Mon, Sep 23, 2013 at 10:02 AM, Michael Van Canneyt <michael at freepascal.org> wrote:
>       Var
>         C : TBaseObjectClass;
>       begin
>         C:=TBaseObjectClass(ClassType);
>         Result:=C.Create;
>       end;
> 
> 
> ​Yes, that help me, thanks.
> 
> Now about assigning I must repeat it (assign) for every child class copy its field members, is there any trick to copy the values like assigning record var to another record
> var?
> I know it is kind of strange way :P

There is no such safe mechanism.

The best you can do is make the properties published, and write an RTTI lookup routine that copies all Published values.
I've done this several times, it works well for most situations.

Michael.