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Lazy<T> Constructor (LazyThreadSafetyMode)

.NET Framework 4

Updated: March 2011

Initializes a new instance of the Lazy<T> class that uses the default constructor of T and the specified thread-safety mode.

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

Syntax

C++

Copy

public Lazy(
	LazyThreadSafetyMode mode
)

Parameters

mode: Type: System.Threading.LazyThreadSafetyMode
One of the enumeration values that specifies the thread safety mode.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	mode contains an invalid value.

Remarks

The thread safety mode of a Lazy<T> instance describes the behavior when multiple threads try to initialize the Lazy<T> instance. For more information, see the System.Threading.LazyThreadSafetyMode enumeration.

A Lazy<T> instance that is created with this constructor does not cache exceptions. For more information, see the System.Threading.LazyThreadSafetyMode enumeration.

Version Information

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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