public void setSoundVolumeChangeCallBack(VolumeChangeCallBack soundVolumeChangeCallBack) { _soundVolumeChangeCallBack = soundVolumeChangeCallBack; }
public static extern int SetVolumeChangeCallBack(VolumeChangeCallBack function, int userValue);
public void setBgMusicVolumeChangeCallBack(VolumeChangeCallBack bgMusicVolumeChangeCallBack) { _bgMusicVolumeChangeCallBack = bgMusicVolumeChangeCallBack; }