Interlocked.Exchange Method (Int32, Int32)

 

Sets a 32-bit signed integer to a specified value and returns the original value, as an atomic operation.

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

static member Exchange : 
        location1:int byref *
        value:int -> int

Parameters

location1
Type: System.Int32

The variable to set to the specified value.

value
Type: System.Int32

The value to which the location1 parameter is set.

Return Value

Type: System.Int32

The original value of location1.

Exception Condition
ArgumentNullException

The address of location1 is a null pointer.

The following code example shows a thread-safe resource locking mechanism.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
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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