SafeHandleMinusOneIsInvalid Class
Provides a base class for Win32 safe handle implementations in which the value of -1 indicates an invalid handle.
Assembly: mscorlib (in mscorlib.dll)
'Declaration <SecurityPermissionAttribute(SecurityAction.InheritanceDemand, UnmanagedCode := True)> _ <SecurityPermissionAttribute(SecurityAction.LinkDemand, UnmanagedCode := True)> _ Public MustInherit Class SafeHandleMinusOneIsInvalid _ Inherits SafeHandle 'Usage Dim instance As SafeHandleMinusOneIsInvalid
This class derives from the System.Runtime.InteropServices.SafeHandle 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 SafeFileHandle class for an example of a class that derives from SafeHandleMinusOneIsInvalid.
- SecurityPermission
for permission to call unmanaged code. Demand value: LinkDemand. Associated enumeration: SecurityPermissionFlag.UnmanagedCode
- SecurityPermission
for permission to call unmanaged code. Demand value: InheritanceDemand. Associated enumeration: SecurityPermissionFlag.UnmanagedCode
System.Runtime.ConstrainedExecution.CriticalFinalizerObject
System.Runtime.InteropServices.SafeHandle
Microsoft.Win32.SafeHandles.SafeHandleMinusOneIsInvalid
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.