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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)

static GCHandle Alloc (
	Object^ value, 
	GCHandleType type
public static GCHandle Alloc (
	Object value, 
	GCHandleType type
public static function Alloc (
	value : Object, 
	type : GCHandleType
) : GCHandle
Not applicable.



The object that uses the GCHandle.


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

Return Value

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

Exception typeCondition


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

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, 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, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0