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Interlocked::Exchange Method (Int64%, Int64)

Sets a 64-bit signed integer to a specified value and returns the original value, as an atomic operation.

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)
public:
static long long Exchange(
	long long% location1, 
	long long value
)

Parameters

location1
Type: System::Int64%

The variable to set to the specified value.

value
Type: System::Int64

The value to which the location1 parameter is set.

Return Value

Type: System::Int64
The original value of location1.
ExceptionCondition
NullReferenceException

The address of location1 is a null pointer.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.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

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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