[Lazarus] IUnknown and reference counting

[Joao Morais]

2013/3/21 Hans-Peter Diettrich <DrDiettrich1 at aol.com>:
> The same considerations apply to the use of object and interface references
> in threads. Interface methods are implemented by class methods, and
> consequently must not be called from multiple threads at the same time.

What's the problem calling the same method, even on the same object,
at the same time from more than one thread?

Joao Morais