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SemaphoreSlim.AvailableWaitHandle Property

Returns a WaitHandle that can be used to wait on the semaphore.

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

public WaitHandle AvailableWaitHandle { get; }

Property Value

Type: System.Threading.WaitHandle
A WaitHandle that can be used to wait on the semaphore.

ExceptionCondition
ObjectDisposedException

The SemaphoreSlim has been disposed.

Use this property only when you must wait on a SemaphoreSlim together with other kernel-based synchronization objects with the same wait handle. A successful wait on the AvailableWaitHandle does not imply a successful wait on the SemaphoreSlim itself, nor does it decrement the semaphore's count. After the available wait handle is signaled, you should wait on the SemaphoreSlim specifically.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

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.

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