FMOD.Sound.FMOD_Sound_SetMusicChannelVolume C# (CSharp) Метод

        private static extern RESULT FMOD_Sound_SetMusicChannelVolume   (IntPtr sound, int channel, float volume);
        [DllImport(VERSION.dll)]

 public RESULT setMusicChannelVolume(int channel, float volume)
 {
     return(Sound.FMOD_Sound_SetMusicChannelVolume(soundraw, channel, volume));
 }