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Environment.ProcessorCount Property

Note: This property is new in the .NET Framework version 2.0.

Gets the number of processors on the current machine.

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

public static int ProcessorCount { get; }
/** @property */
public static int get_ProcessorCount ()

public static function get ProcessorCount () : int

Property Value

The 32-bit signed integer that specifies the number of processors on the current machine. There is no default.

The following code example demonstrates the ProcessorCount property.

// This example demonstrates the 
//     Environment.ProcessorCount property.
using System;

class Sample 
{
    public static void Main() 
    {
    Console.WriteLine("The number of processors " +
        "on this computer is {0}.", 
        Environment.ProcessorCount);
    }
}
/*
This example produces the following results:

The number of processors on this computer is 1.
*/

// This example demonstrates the 
// Environment.ProcessorCount property.
import System.*;

class Sample
{
    public static void main(String[] args)
    {
        Console.WriteLine("The number of processors " 
            + "on this computer is {0}.", 
            System.Convert.ToString(Environment.get_ProcessorCount()));
    } //main
} //Sample

/*
This example produces the following results:

The number of processors on this computer is 1.
*/

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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