IWMDMStorageGlobals::GetSerialNumber

The GetSerialNumber method retrieves a serial number that uniquely identifies the storage medium.

Syntax

HRESULT GetSerialNumber(
  PWMDMID  pSerialNum,
  BYTE  abMac[WMDM_MAC_LENGTH]
);

Parameters

pSerialNum

[out] Pointer to a WMDMID structure containing the serial number information.

abMac

[in, out] Array of eight bytes containing the message authentication code for the parameter data of this method. (WMDM_MAC_LENGTH is defined as 8.)

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.

Return code	Description
E_INVALIDARG	The pSerialNum parameter is an invalid or NULL pointer.
WMDM_E_NOTSUPPORTED	The device does not support serial numbers.
E_FAIL	An unspecified error occurred.

Remarks

Not all storage media support serial numbers. The return code must always be checked to determine if the storage medium provides this support.

See Also

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