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ThreadPool.BindHandle Method (SafeHandle)

Binds an operating system handle to the ThreadPool.

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

[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public static bool BindHandle(
	SafeHandle osHandle


Type: System.Runtime.InteropServices.SafeHandle
A SafeHandle that holds the operating system handle. The handle must have been opened for overlapped I/O on the unmanaged side.

Return Value

Type: System.Boolean
true if the handle is bound; otherwise, false.


osHandle is null.

The osHandle parameter should be a SafeFileHandle, which derives from the abstract SafeHandle class.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.