The RGB_GETBLUE macro retrieves the blue component of a D3DCOLOR value.
RGB_GETBLUE(rgb) ((rgb) & 0xff)
Returns the blue component.
Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
Header: Declared in d3dtypes.h.