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Interlocked.CompareExchange Method

  • Article

Compares two 32-bit signed integers for equality and, if they are equal, replaces one of the values.

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

Syntax

[MethodImplAttribute]
public static int CompareExchange (
         ref intlocation1,
         intvalue,
         intcomparand
)

Parameters

  • location1
    The destination value that will be compared with the value of the comparand parameter and will possibly be replaced.
  • value
    The value that will replace the destination value if the compared integers are equal.
  • comparand
    The value that will be compared with the location1 parameter.

Return Value

The original value of the location1 parameter.

Remarks

This is an atomic operation; it cannot be interrupted before it is complete.

Version Information

Available in the .NET Micro Framework versions 2.0, 2.5, 3.0, 4.0, and 4.1.

See Also

Reference

Interlocked Class
Interlocked Members
System.Threading Namespace