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Environment.ProcessorCount Property

.NET Framework 4.5

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Gets the number of processors on the current machine.

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

Syntax

C++

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public static int ProcessorCount { get; }

Property Value

Type: System.Int32
The 32-bit signed integer that specifies the number of processors on the current machine. There is no default. If the current machine contains multiple processor groups, this property returns the number of logical processors that are available for use by the common language runtime (CLR).

Examples

The following example demonstrates the ProcessorCount property.

C++

Copy


// 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.
*/

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8 Consumer Preview, Windows Server 8 Beta, Windows 7, Windows Server 2008 SP2, Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

Reference

Environment Class

System Namespace

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