Fix keyboard scrolling does not fetch more data on Chr+Win/Saf+Win.
Fix keyboard scrolling does not fetch more data on Chr+Win/Saf+Win.

maier49/dgrid,dylans/dgrid,kfranqueiro/dgrid,maier49/dgrid,kfranqueiro/dgrid,maier49/dgrid,dylans/dgrid,kfranqueiro/dgrid,dylans/dgrid