| 22 | { |
| 23 | public: |
| 24 | void action_function() |
| 25 | { |
| 26 | // print out a message so we can see that this function is being triggered |
| 27 | cout << "action_function() called" << endl; |
| 28 | } |
| 29 | }; |
| 30 | |
| 31 | // ---------------------------------------------------------------------------------------- |