// Handle asynchronous movie loading here. We use the new

        // GetMovieLoadState function to determine the load state

        // of the movie.

        do

        {

            long newLoadState;

            // Get new load state to see if there was a change in

            // state.

            newLoadState = GetMovieLoadState(theMovie);

            if (newLoadState != loadState)

            {

                loadState = newLoadState;

                if (loadState < 0)

                {

                    // failed to load the movie - this will cause

                    // us to drop out of this loop and report an

                    // error

                }

                if (loadState < kMovieLoadStatePlayable)

                {

                    // we need to keep tasking the movie so it gets

                    // time to load

                    MoviesTask(theMovie, 0);

                }

                if (loadState < kMovieLoadStateComplete)

                {

                    // we just became playable

                }

                if (loadState >= kMovieLoadStateComplete)

                {

                    // now we know all media data is available

                    // this will drop us out of this loop so we

                    // can display the movie

                }

            }

        } 

        while ((loadState > kMovieLoadStateError) && (loadState < kMovieLoadStateComplete));

        CheckError(err, "NewMovieFromDataRef error");

        // dispose of our data reference handle since it is no longer needed

        DisposeHandle(dataRef);

        result = GetMovieStatus (theMovie, &firstProblemTrack);

        // if GetMovieLoadState from above returned kMovieLoadStateError, and

        // GetMovieStatus returns nil for the firstProblemTrack parameter we

        // know an error occurred

        if ((loadState == kMovieLoadStateError) && (firstProblemTrack == nil))

        {

            CheckError(-1, "NewMovieFromDataRef error");

        }