61 	inline TInt ScreenNumber() const { return iSurface.iInternal[TSurfaceId::TScreenSurfaceUsage::EScreenField]; }

    61 	inline TInt ScreenNumber() const { return iSurface.iInternal[TSurfaceId::TScreenSurfaceUsage::EScreenField]; }

    62 

    62 

    63 	void Update();

    63 	void Update();

    64 	void Update(TRequestStatus& aStatus);

    64 	void Update(TRequestStatus& aStatus);

    65 

    65 

    66 	void UpdateRegion(const TRect& aRect);

    67 	void UpdateRegion(const TRect& aRect);

    67 	void ResetUpdateRegion();

    68 	void ResetUpdateRegion();

    68 	void NotifyWhenAvailable(TRequestStatus& aStatus);

    69 	void NotifyWhenAvailable(TRequestStatus& aStatus);

    69 	void CancelUpdateNotification();

    70 	void CancelUpdateNotification();

    70 

    71