public void sfxSetChannelVolume(coSimSet channel, float volume)
        {
            coSFXSource obj = sfxOldChannelToGroup(channel);

            if (obj.isObject())
            {
                obj.setVolume(volume);
            }
        }
        public string sfxGetChannelVolume(coSimSet channel)
        {
            coSFXSource obj = sfxOldChannelToGroup(channel);

            return(obj.isObject() ? obj.getVolume().AsString() : "0");
        }