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Stream.CreateWaitHandle Method

Note: This API is now obsolete. The non-obsolete alternative is ManualResetEvent.

Allocates a WaitHandle object.

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

[ObsoleteAttribute("CreateWaitHandle will be removed eventually.  Please use "new ManualResetEvent(false)" instead.")]
protected virtual WaitHandle CreateWaitHandle()

Return Value

Type: System.Threading.WaitHandle
A reference to the allocated WaitHandle.

When called for the first time, the current method creates a WaitHandle object and returns it. On subsequent calls, CreateWaitHandle returns a reference to a new wait handle.

Use this method if you implement the asynchronous methods and require a way of blocking in EndRead or EndWrite until the asynchronous operation is complete.

.NET Framework

Supported in: 1.1, 1.0
Obsolete (compiler warning) in 4.5
Obsolete (compiler warning) in 4.5.1
Obsolete (compiler warning) in 4.5.2
Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5
Obsolete (compiler warning) in 3.5 SP1
Obsolete (compiler warning) in 3.0
Obsolete (compiler warning) in 3.0 SP1
Obsolete (compiler warning) in 3.0 SP2
Obsolete (compiler warning) in 2.0
Obsolete (compiler warning) in 2.0 SP1
Obsolete (compiler warning) in 2.0 SP2

.NET Framework Client Profile

Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5 SP1

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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