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ThreadPool.UnsafeQueueNativeOverlapped Method

Queues an overlapped I/O operation for execution.

This API is not CLS-compliant. 

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)
[CLSCompliantAttribute(false)]
[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.NoFlags|SecurityPermissionFlag.ControlEvidence|SecurityPermissionFlag.ControlPolicy)]
public static bool UnsafeQueueNativeOverlapped(
	NativeOverlapped* overlapped
)

Parameters

overlapped
Type: System.Threading.NativeOverlapped*

The NativeOverlapped structure to queue.

Return Value

Type: System.Boolean
true if the operation was successfully queued to an I/O completion port; otherwise, false.

For information about using native Win32 overlapped I/O, see the Overlapped class, the NativeOverlapped structure, and the OVERLAPPED structure in the Win32 Platform SDK.

Caution noteCaution:

Using the UnsafeQueueNativeOverlapped method could inadvertently open up a security hole. Code access security bases its permission checks on the permissions of all the callers on the stack. When work is queued on a thread pool thread using UnsafeQueueNativeOverlapped, the stack of the thread pool thread does not have the context of the actual callers. Malicious code might be able exploit this to avoid permission checks.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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