GetMovieCoverProcs lets you retrieve the cover procedures that you set with SetMovieCoverProcs.
pascal OSErr GetMovieCoverProcs(Movie theMovie, MovieRgnCoverProc *uncoverProc, MovieRgnCoverProc *coverProc, long *refcon)
Movie Movie reference.
MovieRgnCoverProc Returns the uncover proc for the movie.
MovieRgnCoverProc Returns the cover proc for the movie.
long Returns the refcon for the cover procedures.
Errors:
invalidMovie -2010 Your movie reference is bad.