Create a class that calls back to the caller

Academia

I need to create a class that calls back to the caller.

Like the way a sort routine would call a routine that compares two objects.

Can you tell me how to do that and/or point to some sample code that does
that?



thanks

Spam Catcher

"Academia" <> wrote in
news:#.gbl:

> I need to create a class that calls back to the caller.
>
> Like the way a sort routine would call a routine that compares two
> objects.
>
> Can you tell me how to do that and/or point to some sample code that
> does that?

When you mean callback, do you mean:

1. function?
2. event?
3. delegate?

asynchronous and synchronous?

What do you want to do?

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