[fpc-pascal] Extend multiple classes with same code
parmaja at gmail.com
Fri May 18 20:38:50 CEST 2012
I have 2 objects inherited from the base one
T_A = class(TObject);
T_B1 = class(T_A);
T_B2 = class(T_A);
T_B3 = class(T_A);
Now if I want to extend T_B1 it is easy to inherit it to T_C1 = class
(T_B1) and add many functions to it, but.
I want the same extend T_B2 not T_B3,
1 - The first idea is adding this functions to T_A, but it is not my class
to modify it, or it is protected from my modify.
2 - Copy and paste this functions to T_B2, but in that case I need every
time to fix functions in B1 I must do it in B2, that make it so hard, and
not good programming quality.
Is there any new idea to do that, what about Helper, generics, i read about
it i felt it is not fit to my problem (or i am wrong).
Thanks in advance
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