Home Library Learn Samples Downloads Support Community Forums
MSDN Library
.NET Development
.NET Framework 4.5
.NET Framework Class Library
System.Threading Namespaces
System.Threading
AbandonedMutexException Class
ApartmentState Enumeration
AsyncFlowControl Structure
AutoResetEvent Class
Barrier Class
BarrierPostPhaseException Class
CancellationToken Structure
CancellationTokenRegistration Structure
CancellationTokenSource Class
CompressedStack Class
ContextCallback Delegate
CountdownEvent Class
EventResetMode Enumeration
EventWaitHandle Class
ExecutionContext Class
HostExecutionContext Class
HostExecutionContextManager Class
Interlocked Class
IOCompletionCallback Delegate
LazyInitializer Class
LazyThreadSafetyMode Enumeration
LockCookie Structure
LockRecursionException Class
LockRecursionPolicy Enumeration
ManualResetEvent Class
ManualResetEventSlim Class
Monitor Class
Mutex Class
NativeOverlapped Structure
Overlapped Class
ParameterizedThreadStart Delegate
ReaderWriterLock Class
ReaderWriterLockSlim Class
RegisteredWaitHandle Class
Semaphore Class
SemaphoreFullException Class
SemaphoreSlim Class
SendOrPostCallback Delegate
SpinLock Structure
SpinWait Structure
SynchronizationContext Class
SynchronizationLockException Class
Thread Class
ThreadAbortException Class
ThreadExceptionEventArgs Class
ThreadExceptionEventHandler Delegate
ThreadInterruptedException Class
ThreadLocal(T) Class
ThreadPool Class
ThreadPriority Enumeration
ThreadStart Delegate
ThreadStartException Class
ThreadState Enumeration
ThreadStateException Class
Timeout Class
Timer Class
TimerCallback Delegate
Volatile Class
WaitCallback Delegate
WaitHandle Class
WaitHandleCannotBeOpenedException Class
WaitOrTimerCallback Delegate
Expand Minimize
This topic has not yet been rated - Rate this topic

ContextCallback Delegate

.NET Framework 4.5

Represents a method to be called within a new context.

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)
C#
C++
F#
VB
Copy 
[ComVisibleAttribute(true)]
public delegate void ContextCallback(
	Object state
)

Parameters

state
Type: System.Object

An object containing information to be used by the callback method each time it executes.

ContextCallback is used by the ExecutionContext.Run and the SecurityContext.Run methods. ContextCallback represents the method to be run in the provided context. Upon completion of the method execution, the context is restored to its previous state.

Create the delegate by passing your callback method to the ContextCallback constructor. Your method must have the signature shown here.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.

Did you find this helpful?
(1500 characters remaining)
© 2013 Microsoft. All rights reserved.