virtual void OnStopPlayback(void);
//! This function is invoked when playback is paused.
virtual void OnPausePlayback(void);
//! This function is invoked when playback is resumed.
virtual void OnResumePlayback(void);
virtual void OnStopPlayback(void);
//! This function is invoked when playback is paused.
virtual void OnPausePlayback(void);
//! This function is invoked when playback is resumed.
virtual void OnResumePlayback(void);