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Marshal.UnsafeAddrOfPinnedArrayElement Method

Gets the address of the element at the specified index inside the specified array.

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

public static IntPtr UnsafeAddrOfPinnedArrayElement(
	Array arr,
	int index
)

Parameters

arr
Type: System.Array
The array that contains the desired element.
index
Type: System.Int32
The index in the arr parameter of the desired element.

Return Value

Type: System.IntPtr
The address of index inside arr.

The array must be pinned using a GCHandle before it is passed to this method. For maximum performance, this method does not validate the array passed to it; this can result in unexpected behavior.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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