| Map Entry | Function Prototype |
| ON_MESSAGE( message, memberFxn ) | afx_msg LONG memberFxn( UINT, LONG ); |
| ON_REGISTERED_MESSAGE ( nMessageVariable memberFxn ) | afx_msg LONG memberFxn( UINT, LONG ); |
For more about the DECLARE_MESSAGE_MAP,
BEGIN_MESSAGE_MAP, and END_MESSAGE_MAP macros, see help.