Positive integers indicate forward rates and negative integers indicate reverse rates. Your application can obtain the preferred playback rate by calling the GetMoviePreferredRate function, which is described in the next section. You can set the current playback rate of a movie by calling the SetMovieRate function, which is described on SetMovieRate . The GetMoviePreferredRate function returns a movie's default playback rate. This is the rate that the StartMovie function uses when it starts playing a movie.
Positive integers indicate forward rates and negative integers indicate reverse rates.
Your application can change the preferred playback rate by calling the SetMoviePreferredRate function, which is described in the previous section. You can change the current playback rate of a movie by calling the SetMovieRate function, which is described on SetMovieRate . The SetMoviePreferredVolume function allows your application to set a movie's preferred volume setting. Volume values range from -1.0 to 1.0. Negative values play no sound but preserve the absolute value of the volume setting.