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SafeFileHandle Constructor

Initializes a new instance of the SafeFileHandle class.

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

public:
SafeFileHandle(
	IntPtr preexistingHandle, 
	bool ownsHandle
)

Parameters

preexistingHandle
Type: System::IntPtr

An IntPtr object that represents the pre-existing handle to use.

ownsHandle
Type: System::Boolean

true to reliably release the handle during the finalization phase; false to prevent reliable release (not recommended).

The following example demonstrates how to open a file by using the SafeFileHandle class and the unmanaged CreateFile function.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • SecurityCriticalAttribute 

    requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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