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OperatingSystem Constructor

Initializes a new instance of the OperatingSystem class, using the specified platform identifier value and version object.

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

public OperatingSystem (
	PlatformID platform,
	Version version
)
public OperatingSystem (
	PlatformID platform, 
	Version version
)
public function OperatingSystem (
	platform : PlatformID, 
	version : Version
)

Parameters

platform

One of the PlatformID values that indicates the operating system platform.

version

A Version object that indicates the version of the operating system.

Exception typeCondition

ArgumentNullException

version is a null reference (Nothing in Visual Basic).

ArgumentException

platform is not a PlatformID enumeration value.

The following code example creates objects of the OperatingSystem class with selected values for the Platform and Version properties.

// Example for the OperatingSystem constructor and the 
// OperatingSystem.ToString( ) method.
using System;

class OpSysConstructDemo 
{
    // Create and display an OperatingSystem object.
    static void BuildOSObj( PlatformID pID, Version ver )
    {
        OperatingSystem os = new OperatingSystem( pID, ver );

        Console.WriteLine( "   {0}", os.ToString( ) );
    }

    static void BuildOperatingSystemObjects( )
    {
        // The Version object does not need to correspond to an 
        // actual OS version.
        Version verNull     = new Version( );
        Version verMajMin   = new Version( 3, 11 );
        Version verMMBld    = new Version( 5, 25, 625 );
        Version verMMBVer   = new Version( 5, 6, 7, 8 );
        Version verString   = new Version( "3.5.8.13" );

        // All PlatformID members are shown here.
        BuildOSObj( PlatformID.Win32NT, verNull );
        BuildOSObj( PlatformID.Win32S, verMajMin );
        BuildOSObj( PlatformID.Win32Windows, verMMBld );
        BuildOSObj( PlatformID.WinCE, verMMBVer );
        BuildOSObj( PlatformID.Win32NT, verString );
    }

    public static void Main( ) 
    {
        Console.WriteLine( 
            "This example of the OperatingSystem constructor " +
            "and \nOperatingSystem.ToString( ) " +
            "generates the following output.\n" );
        Console.WriteLine( 
            "Create and display several different " +
            "OperatingSystem objects:\n" );

        BuildOperatingSystemObjects( );

        Console.WriteLine( 
            "\nThe OS version of the host computer is:\n\n   {0}", 
            Environment.OSVersion.ToString( ) );
    }
}

/*
This example of the OperatingSystem constructor and
OperatingSystem.ToString( ) generates the following output.

Create and display several different OperatingSystem objects:

   Microsoft Windows NT 0.0
   Microsoft Win32S 3.11
   Microsoft Windows 98 5.25.625
   Microsoft Windows CE 5.6.7.8
   Microsoft Windows NT 3.5.8.13

The OS version of the host computer is:

   Microsoft Windows NT 5.1.2600.0
*/

// Example for the OperatingSystem constructor and the 
// OperatingSystem.ToString( ) method.
import System.*;

class OpSysConstructDemo
{
    // Create and display an OperatingSystem object.
    static void BuildOSObj(PlatformID pID, Version ver)
    {
        OperatingSystem os = new OperatingSystem(pID, ver);
        Console.WriteLine("   {0}", os.ToString());
    } //BuildOSObj

    static void BuildOperatingSystemObjects()
    {
        // The Version object does not need to correspond to an 
        // actual OS version.
        Version verNull = new Version();
        Version verMajMin = new Version(3, 11);
        Version verMMBld = new Version(5, 25, 625);
        Version verMMBVer = new Version(5, 6, 7, 8);
        Version verString = new Version("3.5.8.13");

        // All PlatformID members are shown here.
        BuildOSObj(PlatformID.Win32NT, verNull);
        BuildOSObj(PlatformID.Win32S, verMajMin);
        BuildOSObj(PlatformID.Win32Windows, verMMBld);
        BuildOSObj(PlatformID.WinCE, verMMBVer);
        BuildOSObj(PlatformID.Win32NT, verString);
    } //BuildOperatingSystemObjects

    public static void main(String[] args)
    {
        Console.WriteLine(("This example of the OperatingSystem constructor " 
            + "and \nOperatingSystem.ToString( ) " 
            + "generates the following output.\n"));
        Console.WriteLine(("Create and display several different " 
            + "OperatingSystem objects:\n"));
        BuildOperatingSystemObjects();
        Console.WriteLine(
            "\nThe OS version of the host computer is:\n\n   {0}",
            Environment.get_OSVersion().ToString());
    } //main
} //OpSysConstructDemo

/*
This example of the OperatingSystem constructor and
OperatingSystem.ToString( ) generates the following output.

Create and display several different OperatingSystem objects:

   Microsoft Windows NT 0.0
   Microsoft Win32S 3.11
   Microsoft Windows 98 5.25.625
   Microsoft Windows CE 5.6.7.8
   Microsoft Windows NT 3.5.8.13

The OS version of the host computer is:

   Microsoft Windows NT 5.1.2600.0
*/

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, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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