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CriticalHandle.CriticalHandle Constructor

Initializes a new instance of the CriticalHandle class with the specified invalid handle value.

Namespace: System.Runtime.InteropServices
Assembly: mscorlib (in mscorlib.dll)

protected CriticalHandle (
	IntPtr invalidHandleValue
protected CriticalHandle (
	IntPtr invalidHandleValue
protected function CriticalHandle (
	invalidHandleValue : IntPtr
Not applicable.



The value of an invalid handle (usually 0 or -1).

Exception typeCondition


The derived class resides in an assembly without unmanaged code access permission.

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0