Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
UnlockRegion Method

IStream.UnlockRegion Method

Removes the access restriction on a range of bytes previously restricted with the LockRegion method.

Namespace:  System.Runtime.InteropServices.ComTypes
Assemblies:   mscorlib (in mscorlib.dll)
  System.Runtime.InteropServices (in System.Runtime.InteropServices.dll)

void UnlockRegion(
	long libOffset,
	long cb,
	int dwLockType


Type: System.Int64

The byte offset for the beginning of the range.

Type: System.Int64

The length, in bytes, of the range to restrict.

Type: System.Int32

The access restrictions previously placed on the range.

For more information, see the existing documentation for IStream::UnlockRegion in the MSDN Library.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
© 2015 Microsoft