C / C++ / MFC

#include <iostream><br />
<br />
using namespace std;<br />
<br />
class A<br />
{<br />
};<br />
<br />
class B : public A<br />
{<br />
};<br />
<br />
int main()<br />
{<br />
    B b;<br />
<br />
    try<br />
    {<br />
        throw b;<br />
    }<br />
    catch (A& ea)<br />
    {<br />
        cout << "Caught an instance of A" << endl;<br />
    }<br />
    catch (B& eb)<br />
    {<br />
        cout << "Caught an instance of B" << endl;<br />
    }<br />
    return 0;<br />
}