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 Exchange(
	ref long location1,
	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.

Exception Condition
NullReferenceException

The address of location1 is a null pointer.

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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