The following map entries correspond to the function prototypes.
Map entry  | 
Function prototype  | 
|---|---|
ON_MESSAGE( <message>, <memberFxn> )  | 
afx_msg LRESULT memberFxn( WPARAM, LPARAM );  | 
ON_REGISTERED_MESSAGE( <nMessageVariable>, <memberFxn> )  | 
afx_msg LRESULT memberFxn( WPARAM, LPARAM );  | 
ON_THREAD_MESSAGE( <message>, <memberFxn> )  | 
afx_msg void memberFxn( WPARAM, LPARAM );  | 
ON_REGISTERED_THREAD_MESSAGE( <nMessageVariable>, <memberFxn> )  | 
afx_msg void memberFxn( WPARAM, LPARAM );  |