Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All

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
Assemblies:   mscorlib (in mscorlib.dll)
  System.Threading (in System.Threading.dll)

'Declaration
Public Shared Function Exchange ( _
	ByRef location1 As Long, _
	value As Long _
) As Long

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: 4.6, 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

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
Show:
© 2015 Microsoft