This documentation is archived and is not being maintained.

WaitHandle.InvalidHandle Field

Represents an invalid native operating system handle. This field is read-only.

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

protected static readonly IntPtr InvalidHandle
protected static final IntPtr InvalidHandle
protected static final var InvalidHandle : IntPtr

Used internally to initialize the Handle property.

Notes to Inheritors You can use this value to determine whether the Handle property contains a valid native operating system handle.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0