CriticalHandleMinusOneIsInvalid Class

Note: This class is new in the .NET Framework version 2.0.

Provides a base class for Win32 critical handle implementations in which the value of -1 indicates an invalid handle.

Namespace: Microsoft.Win32.SafeHandles
Assembly: mscorlib (in mscorlib.dll)

Public MustInherit Class CriticalHandleMinusOneIsInvalid
	Inherits CriticalHandle
Dim instance As CriticalHandleMinusOneIsInvalid

public abstract class CriticalHandleMinusOneIsInvalid extends CriticalHandle
public abstract class CriticalHandleMinusOneIsInvalid extends CriticalHandle

This class derives from the System.Runtime.InteropServices.CriticalHandle class. It describes the format of an invalid handle that uses a value of -1. Further derivations of this class (for example, file or registry handles) can specialize this further.


See the CriticalHandle class for important information on critical handle security and thread safety.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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

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