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IStream.LockRegion Method

Restricts access to a specified range of bytes in the stream.

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

void LockRegion(
	long libOffset,
	long cb,
	int dwLockType
)

Parameters

libOffset
Type: System.Int64

The byte offset for the beginning of the range.

cb
Type: System.Int64

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

dwLockType
Type: System.Int32

The requested restrictions on accessing the range.

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

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

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

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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