VOID egGetScreenSize(OUT UINTN *ScreenWidth, OUT UINTN *ScreenHeight);
CHAR16 * egScreenDescription(VOID);
BOOLEAN egHasGraphicsMode(VOID);
VOID egGetScreenSize(OUT UINTN *ScreenWidth, OUT UINTN *ScreenHeight);
CHAR16 * egScreenDescription(VOID);
BOOLEAN egHasGraphicsMode(VOID);
IN UINTN AreaPosX, IN UINTN AreaPosY,
IN UINTN AreaWidth, IN UINTN AreaHeight,
IN UINTN ScreenPosX, IN UINTN ScreenPosY);
IN UINTN AreaPosX, IN UINTN AreaPosY,
IN UINTN AreaWidth, IN UINTN AreaHeight,
IN UINTN ScreenPosX, IN UINTN ScreenPosY);