Re: vb6 style "implements interface"
On 27 Feb, 13:46, mick.mcma...@gmail.com wrote:
Hi, i need some help, i'm new-ish to c++ but was an experienced VB6
programmer.
I am trying to do something in c++ along the lines of something i did
a couple of years ago in vb.
Basically, i have loads classes, and want to store them in some sort
of array/container and enumerate through them and call a couple of
methods. I don't need to know which one i'm calling.
In VB i use an shell class and with all the methods that i wanted to
call. then created my other classes implementing the shell interface.
I stored them all in a collection and went through them by creating a
class varible of the interface type and then storing the class from
the collection into it and calling the methods.
I've spent a couple of days looking now, and it's either impossible or
i just don't know the teminolgy for how to do it.
Any help much appreciated.
Mick.
Sounds to me like polymorphism achieved through public inheritance.
class I // the "interface class"
{
public:
virtual void f() const = 0;
virtual void g() const = 0;
};
class S // a subclass
{
public:
void f() { }
void g() { }
};
It shouldn't be too hard to find more info on the subject. Just google
"c++ OOP" or something similar.
DP
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