IDirectDraw7::GetCaps

The IDirectDraw7::GetCaps method fills in the capabilities of the device driver for the hardware and the hardware emulation layer (HEL).

HRESULT GetCaps(
  LPDDCAPS lpDDDriverCaps,  
  LPDDCAPS lpDDHELCaps  
);

Parameters

lpDDDriverCaps

Address of a DDCAPS structure to be filled with the capabilities of the hardware, as reported by the device driver. Set this parameter to NULL if device driver capabilities are not to be retrieved.

lpDDHELCaps

Address of a DDCAPS structure to be filled with the capabilities of the HEL. Set this parameter to NULL if HEL capabilities are not to be retrieved.

Return Values

If the method succeeds, the return value is DD_OK.

If it fails, the method can return one of the following error values:

You can set only one of the two parameters to NULL to exclude it. If you set both to NULL, the method fails, returning DDERR_INVALIDPARAMS.

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 98.
  Header: Declared in ddraw.h.