C ++ runtime type check

# Include <afx. h>

Class animal: Public cobject
{
Declare_dynamic (animal)
};

Class dog: Public animal
{
Declare_dynamic (DOG)
};

Class Cat: Public animal
{
Declare_dynamic (CAT)
};

Class cfoo
{
Public:
Void animalsays (animal *);
};

Int main (INT argc, char * argv [])
{
Dog Rex;
Cat Kitty;
Cfoo Foo;

Foo. animalsays (& Rex );
Foo. animalsays (& Kitty );

Return 0;
}

Implement_dynamic (animal, cobject)
Implement_dynamic (dog, animal)
Implement_dynamic (CAT, animal)

Void cfoo: animalsays (animal * panimal)
{
If (panimal-> iskindof (runtime_class (DOG )))
Printf ("bark! ");
Else if (panimal-> iskindof (runtime_class (CAT )))
Printf ("miaou! ");
}
 

Link: Accessing run-time class information
Deriving a class from cobject