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Marshal.UnsafeAddrOfPinnedArrayElement Method (Array, Int32)

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

  • SecurityCriticalAttribute 

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

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