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GCHandle.Alloc Method (Object, GCHandleType)

Allocates a handle of the specified type for the specified object.

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

public static GCHandle Alloc(
	Object value,
	GCHandleType type
)

Parameters

value
Type: System.Object

The object that uses the GCHandle.

type
Type: System.Runtime.InteropServices.GCHandleType

One of the GCHandleType values, indicating the type of GCHandle to create.

Return Value

Type: System.Runtime.InteropServices.GCHandle
A new GCHandle of the specified type. This GCHandle must be released with Free when it is no longer needed.

ExceptionCondition
ArgumentException

An instance with nonprimitive (non-blittable) members cannot be pinned.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

  • SecurityCriticalAttribute 

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

Windows Phone 8.1, Windows Phone 8, 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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