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ThreadLocal<T> Class

.NET Framework (current version)
 

Provides thread-local storage of data.

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

System::Object
  System.Threading::ThreadLocal<T>

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generic<typename T>
[HostProtectionAttribute(SecurityAction::LinkDemand, Synchronization = true, 
	ExternalThreading = true)]
public ref class ThreadLocal : IDisposable

Type Parameters

T

Specifies the type of data stored per-thread.

NameDescription
System_CAPS_pubmethodThreadLocal<T>()

Initializes the ThreadLocal<T> instance.

System_CAPS_pubmethodThreadLocal<T>(Boolean)

Initializes the ThreadLocal<T> instance and specifies whether all values are accessible from any thread.

System_CAPS_pubmethodThreadLocal<T>(Func<T>^)

Initializes the ThreadLocal<T> instance with the specified valueFactory function.

System_CAPS_pubmethodThreadLocal<T>(Func<T>^, Boolean)

Initializes the ThreadLocal<T> instance with the specified valueFactory function and a flag that indicates whether all values are accessible from any thread.

NameDescription
System_CAPS_pubpropertyIsValueCreated

Gets whether Value is initialized on the current thread.

System_CAPS_pubpropertyValue

Gets or sets the value of this instance for the current thread.

System_CAPS_pubpropertyValues

Gets a list for all of the values currently stored by all of the threads that have accessed this instance.

NameDescription
System_CAPS_pubmethodDispose()

Releases all resources used by the current instance of the ThreadLocal<T> class.

System_CAPS_protmethodDispose(Boolean)

Releases the resources used by this ThreadLocal<T> instance.

System_CAPS_pubmethodEquals(Object^)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_protmethodFinalize()

Releases the resources used by this ThreadLocal<T> instance.(Overrides Object::Finalize().)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_protmethodMemberwiseClone()

Creates a shallow copy of the current Object.(Inherited from Object.)

System_CAPS_pubmethodToString()

Creates and returns a string representation of this instance for the current thread.(Overrides Object::ToString().)

The following example shows how to use ThreadLocal<T>:

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No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1

With the exception of Dispose, all public and protected members of ThreadLocal<T> are thread-safe and may be used concurrently from multiple threads. The value returned for the Value and IsValueCreated properties is specific for the thread on which the property is accessed.

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