The GetBValue macro retrieves an intensity value for the blue component of a 32-bit red, green, blue (RGB) value.
BYTE GetBValue(
WORD rgb // 32-bit RGB value
);
The return value is the intensity of the blue component of the specified RGB color.
The intensity value is in the range 0 through 255.
The GetBValue macro is defined as follows:
#define GetBValue(rgb) ((BYTE) ((rgb) >> 16))
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Requires version 1.0 or later.
Header: Declared in wingdi.h.
Colors Overview, Color Macros, GetGValue, GetRValue, PALETTEINDEX, PALETTERGB, RGB