IMDSPStorageGlobals::GetTotalBad

The GetTotalBad method retrieves the total amount of unusable space on the storage medium.

Syntax

HRESULT GetTotalBad(
  DWORD*  pdwBadLow,
  DWORD*  pdwBadHigh
);

Parameters

pdwBadLow

[out] Pointer to a double word containing the low-order bytes identifying the amount of unusable space.

pdwBadHigh

[out] Pointer to a double word containing the high-order bytes identifying the amount of unusable space.

Return Values

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

Return code	Description
E_INVALIDARG	Either pdwBadLow or pdwBadHigh is an invalid or NULL pointer.
WMDM_E_NOTSUPPORTED	The device is not capable of retrieving the amount of unusable space on the storage medium.
E_FAIL	An unspecified error occurred.

Remarks

To determine the amount of storage space in use by the medium for file management, subtract the number of bad bytes identified with GetTotalBad from the number of free bytes identified with GetTotalFree.

See Also

IMDSPStorageGlobals Interface

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