The DDCOLORKEY structure describes a source color key, destination color key, or color space. A color key is specified if the low and high range values are the same. This structure is used with the IDirectDrawSurface4::GetColorKey and IDirectDrawSurface4::SetColorKey methods.
typedef struct _DDCOLORKEY{
DWORD dwColorSpaceLowValue;
DWORD dwColorSpaceHighValue;
} DDCOLORKEY,FAR* LPDDCOLORKEY;
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 ddraw.h.