Removes the access restriction on a previously locked range of bytes.
| ULARGE_INTEGER libOffset,
||//Specifies the byte offset for the beginning of the range
| ULARGE_INTEGER cb,
||//Specifies the length of the range in bytes
| DWORD dwLockType
||//Specifies the access restriction previously placed on the range
[in]Specifies the byte offset for the beginning of the range.
[in]Specifies, in bytes, the length of the range that is restricted.
[in]Specifies the type of access restrictions previously placed on the range.
This parameter uses a value from the LOCKTYPE
The byte range was unlocked.
Locking is not supported at all or the specific type of lock requested is not
The requested unlock cannot be granted.
This method unlocks a region previously locked with the ILockBytes::LockRegion
method. Locked regions must later be explicitly unlocked by calling ILockBytes::UnlockRegion
with exactly the same values for the libOffset
, and dwLockType
parameters. Two adjacent regions cannot be locked separately and then
unlocked with a single unlock call.
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