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GCHandle.AddrOfPinnedObject Method

Retrieves the address of an object in a GCHandleType.Pinned handle.

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

'Declaration
Public Function AddrOfPinnedObject As IntPtr

Return Value

Type: System.IntPtr
The address of the pinned object as an IntPtr.

ExceptionCondition
InvalidOperationException

The handle is any type other than GCHandleType.Pinned.

This method is used to get a stable pointer to the object. Pinning an object prevents the garbage collector from moving it around in memory, thereby reducing the efficiency of the garbage collector.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

.NET for Windows Phone apps

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

Portable Class Library

Supported in: Portable Class Library

  • SecurityCriticalAttribute 

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

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