Content

IFeedbackEx

Describes interface of object which could have callback mechanism with two callback function. The first one is called before changes and the second one is called after changed.

You can find more information in comments below.

class IFeedbackEx
{
protected:
    virtual void FeedbackBefore() = 0; // Call to call "before" callback function if it exists
    virtual void FeedbackAfter() = 0; // Call to call "after" callback function if it exists
public:
    virtual IFeedbackExService *QueryService() = 0; // Return service
};