[Overview][Constants][Types][Classes][Procedures and functions][Index] | Reference for unit 'Types' (#rtl)

# IStream.UnlockRegion

Unlocks a previously locked region of bytes in the stream

## Declaration

Source position: types.pp line 325

`function IStream.UnlockRegion(`
`libOffset: LargeUint;`
`cb: LargeUint;`
`dwLockType: DWORD`
`):HRESULT;`

## Description

UnlockRegion removes the lock on a region of the storage, starting at libOffset, for cbCount bytes. The lock must be of type dwLockType. The function returns zero if the lock was successfully removed.

## Errors

On error, a nonzero exit code is returned.

Documentation generated on: May 14 2021