// Example ÉNÉâÉXÇÃÉwÉbÉ_ÉtÉ@ÉCÉã
// MyClass.h
class MyClass {
public:
            MyClass() { mMovie = NULL; };
    virtual ~MyClass();

protected:
            void  InstallMovieDrawingComplete(Movie inMovie,
                                     long inFlags = movieDrawingCallAlways);
    virtual OSErr DrawingCompleteDoSomething(Movie theMovie) { return noErr; };

private:
    /*  ÉÄÅ[ÉrÅ[ï`âÊÇÃäÆóπéûÇ…åƒÇ—èoÇ≥ÇÍÇÈ
        typedef OSErr (*MovieDrawingCompleteProcPtr) (Movie theMovie, long refCon);
     */
    static pascal OSErr MyClassMovieDrawingCompleteProc(Movie theMovie, long refCon);
    static MovieDrawingCompleteUPP sMovieDrawingCompleteUPP;
           Movie                   mMovie;
};

// Example ÉNÉâÉXÇÃé¿ëï
// MyClass.cpp

MovieDrawingCompleteUPP MyClass::sMovieDrawingCompleteUPP = NULL;

pascal OSErr MyClass::MyClassMovieDrawingCompleteProc(Movie theMovie, long refCon)
{
    MyClass *instance = reinterpret_cast<MyClass *>(refCon);
    OSErr err = noErr;

    if (instance)
        err = instance->DrawingCompleteDoSomething(theMovie);

    return err;
}

MyClass::~MyClass()
{
    if (mMovie) ::SetMovieDrawingCompleteProc(mMovie, 0, NULL, 0L);
    if (sMovieDrawingCompleteUPP)
        ::DisposeMovieDrawingCompleteUPP(sMovieDrawingCompleteUPP);
}

/*
   inFlags: movieDrawingCallWhenChanged
                ÉÄÅ[ÉrÅ[Ç™ïœçXÇ≥ÇÍÇΩÇΔÇ´ÇÃÇ›ÅAÉcÅ[ÉãÉ{ÉbÉNÉXÇ™ï`âÊäÆóπä÷êîÇåƒÇ—èoÇ∑ÇÊǧDžéwíËÇ∑ÇÈ
            movieDrawingCallAlways
                ÉcÅ[ÉãÉ{ÉbÉNÉXÇ…ëŒÇµÇƒÅAÉAÉvÉäÉPÅ[ÉVÉáÉìÇ™ MoviesTask ÇåƒÇ—èoÇ∑ÇΩÇ—Ç…ï`âÊäÆóπä÷êîÇåƒÇ—èoÇ∑ÇÊǧDžéwíËÇ∑ÇÈ
 */
void MyClass::InstallMovieDrawingComplete(Movie inMovie, long inFlags)
{
    if (NULL == MyClass::sMovieDrawingCompleteUPP) {
        MyClass::sMovieDrawingCompleteUPP =
                 ::NewMovieDrawingCompleteUPP(MyClass::MyClassMovieDrawingCompleteProc);
    }

    if (inMovie) {
        if (mMovie) {
            // ëOÇÃÉÄÅ[ÉrÅ[ÇÃÉRÅ[ÉãÉoÉbÉNÇéÊÇËèúÇ≠
            ::SetMovieDrawingCompleteProc(mMovie, 0, NULL, 0L);
        }
        ::SetMovieDrawingCompleteProc(inMovie, inFlags,
                                      MyClass::sMovieDrawingCompleteUPP,
                                      long(this));
        mMovie = inMovie;
   }
}

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