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Interlocked.Exchange Method (IntPtr%, IntPtr)

Sets a platform-specific handle or pointer to a specified value and returns the original value, as an atomic operation.

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)

public static IntPtr Exchange(
	ref IntPtr location1,
	IntPtr value
)

Parameters

location1
Type: System.IntPtr%
The variable to set to the specified value.
value
Type: System.IntPtr
The value to which the location1 parameter is set.

Return Value

Type: System.IntPtr
The original value of location1.

ExceptionCondition
NullReferenceException

The address of location1 is a null pointer.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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