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IStorage::Revert (Windows CE 5.0)

Windows CE 5.0
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This method discards all changes that have been made to the storage object since the last commit operation.

HRESULT Revert(void);

Parameters

None.

Return Values

The following table shows the return values for this method.

ValueDescription
S_OKThe revert operation was successful.
E_PENDINGAsynchronous Storage only: Part or all of the storage's data is currently unavailable.

For more information see the IFillLockBytes interface and Asynchronous Storage.

STG_E_INSUFFICIENTMEMORYThe revert operation could not be completed due to a lack of memory.
STG_E_TOOMANYOPENFILESThe revert operation could not be completed because there are too many open files.
STG_E_REVERTEDThe storage object has been invalidated by a revert operation above it in the transaction tree.

Remarks

For storage objects opened in transacted mode, the IStorage::Revert method discards any uncommitted changes to this storage object or changes that have been committed to this storage object from nested elements.

After this method returns, any existing elements, substorages or streams, that were opened from the reverted storage object are invalid and can no longer be used. Specifying these reverted elements in any call except IStorage::Release returns the error STG_E_REVERTED.

This method has no effect on storage objects opened in direct mode.

To determine whether the platform supports this interface, see Determining Supported COM APIs.

Requirements

OS Versions: Windows CE 2.0 and later.
Header: Objidl.h, Objidl.idl.
Link Library: Ole32.lib, Uuid.lib.


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