# IStorage::SetClass

Assigns the specified CLSID to this storage object.

HRESULT SetClass(

REFCLSID clsid | //Class identifier to be assigned to the storage object
); |

Parameter

clsid
  [in] The class identifier (CLSID) that is to be associated with the storage object.

Return Values

S_OK
  The CLSID was successfully assigned.
E_PENDING
  Asynchronous Storage only: Part or all of the storage’s data is currently unavailable. For more information see IFillLockBytes and Asynchronous Storage.
STG_E_ACCESSDENIED
  The caller does not have sufficient permissions for assigning a class identifier to the storage object.
STG_E_MEDIUMFULL
  Not enough space was left on device to complete the operation.
STG_E_REVERTED
  The storage object has been invalidated by a revert operation above it in the transaction tree.

Remarks

When first created, a storage object has an associated CLSID of CLSID_NULL. Call this method to assign a CLSID to the storage object.

Call the IStorage::Stat method to retrieve the current CLSID of a storage object.

See Also

IStorage - Compound File Implementation, IStorage::Stat