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Guid Constructor (Byte[])

Initializes a new instance of the Guid class using the specified array of bytes.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

public Guid (
	byte[] b
public Guid (
	byte[] b
public function Guid (
	b : byte[]



A 16 element byte array containing values with which to initialize the GUID.

Exception typeCondition


b is a null reference (Nothing in Visual Basic).


b is not 16 bytes long.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0