Problems with virtual function tables

dickfly

In the debug window of VC, why can I only see the virtual function inherited from the parent class in the virtual function table of the subclass? Why can't I see its own virtual function? Thank you!

julines

This is completely a display problem of the compiler. You can take out each item in the virtual table by pointer operation.

Derived * p = new Derived ()
int * addr = reinterpret_cast <int *> (p);
int * vptr = reinterpret_cast <int *> (* addr);

// Take the items in the virtual table:
int * func1 = reinterpret_cast <int *> (vptr [0]);
int * func2 = reinterpret_cast <int *> (vptr [1]);

Then I checked the values ​​of func1 and func2 in DEBUG. I did this when I encountered this problem. It was a bit troublesome. Maybe there is a better way.