The IDirectDrawSurface3::GetColorKey method retrieves the color key value for the DirectDrawSurface object.
HRESULT GetColorKey(
DWORD dwFlags,
LPDDCOLORKEY lpDDColorKey
);
| DDCKEY_DESTBLT | |
| Set if the structure specifies a color key or color space to be used as a destination color key for blit operations. | |
| DDCKEY_DESTOVERLAY | |
| Set if the structure specifies a color key or color space to be used as a destination color key for overlay operations. | |
| DDCKEY_SRCBLT | |
| Set if the structure specifies a color key or color space to be used as a source color key for blit operations. | |
| DDCKEY_SRCOVERLAY | |
| Set if the structure specifies a color key or color space to be used as a source color key for overlay operations. |
If the method succeeds, the return value is DD_OK.
If the method fails, the return value may be one of the following error values:
| DDERR_INVALIDOBJECT |
| DDERR_INVALIDPARAMS |
| DDERR_NOCOLORKEY |
| DDERR_NOCOLORKEYHW |
| DDERR_SURFACELOST |
| DDERR_UNSUPPORTED |