typedef OSErr(* DoMCActionProcPtr) (
    void *refcon, 
    SInt16 action, 
    void *params, 
    Boolean *handled
);

You would declare your function like this if you were to name it MyDoMCActionCallback:

OSErr MyDoMCActionCallback (
    void *refcon, 
    SInt16 action, 
    void *params, 
    Boolean *handled
);

function result

A result code.

© 2000 Apple Computer, Inc. (Last Updated 6/26/2000)