Microsoft DirectX 9.0

IDirectSound8::VerifyCertification

The VerifyCertification method ascertains whether the device driver is certified for DirectX.

Syntax

VerifyCertification(
  LPDWORD pdwCertified
);

Parameters

pdwCertified

Address of a DWORD variable that receives one of the values shown in the following table.

Value Description
DS_CERTIFIED Driver is certified for DirectSound.
DS_UNCERTIFIED Driver is not certified for DirectSound.

Return Values

If the function succeeds, the return value is DS_OK.

If the function fails, the return value may be one of the error values shown in the following table.

Return code
DSERR_INVALIDPARAM
DSERR_UNSUPPORTED

Remarks

This method may attempt to retrieve certification information from the Internet.

On emulated devices, the method returns DSERR_UNSUPPORTED. Emulated devices are identified by the DSCAPS_EMULDRIVER flag in the dwFlags member of DSCAPS.

Requirements

  Header: Declared in dsound.h.

See Also