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Monitor.Exit Method

Releases an exclusive lock on the specified object.

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)
static member Exit : 
        obj:Object -> unit

Parameters

obj
Type: System.Object

The object on which to release the lock.

ExceptionCondition
ArgumentNullException

The obj parameter is a null reference (Nothing in Visual Basic).

SynchronizationLockException

The current thread does not own the lock for the specified object.

The calling thread must own the lock on the obj parameter. If the calling thread owns the lock on the specified object, and has made an equal number of Exit and Enter calls for the object, then the lock is released. If the calling thread has not invoked Exit as many times as Enter, the lock is not released.

If the lock is released and other threads are in the ready queue for the object, one of the threads acquires the lock. If other threads are in the waiting queue waiting to acquire the lock, they are not automatically moved to the ready queue when the owner of the lock calls Exit. To move one or more waiting threads into the ready queue, call Pulse or PulseAll before invoking Exit.

The following example demonstrates how to use the Exit method.

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

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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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