The VerifyCertification method ascertains whether the device driver is certified for DirectX.
HRESULT VerifyCertification( LPDWORD pdwCertified );
| Value | Description |
| DS_CERTIFIED | Driver is certified for DirectSound. |
| DS_UNCERTIFIED | Driver is not certified for DirectSound. |
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 |
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.
Header: Declared in Dsound.h.
Import Library: Use Dsound3d.dll.