Environment.MachineName Property (System)

.NET Framework Class Library

Environment..::.MachineName Property

Gets the NetBIOS name of this local computer.

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

Public Shared ReadOnly Property MachineName As String

public static string MachineName { get; }

public:
static property String^ MachineName {
	String^ get ();
}

static member MachineName : string

Property Value

Type: System..::.String
A string containing the name of this computer.

Exceptions

Exception	Condition
InvalidOperationException	The name of this computer cannot be obtained.

Remarks

The name of this computer is established at system startup when the name is read from the registry. If this computer is a node in a cluster, the name of the node is returned.

Examples

The following example displays the name of the computer that runs the code example. (The machine name is omitted from the example output for security reasons.)


' Sample for the Environment.MachineName property
Imports System

Class Sample
   Public Shared Sub Main()
      Console.WriteLine()
      '  <-- Keep this information secure! -->
      Console.WriteLine("MachineName: {0}", Environment.MachineName)
   End Sub 'Main
End Class 'Sample
'
'This example produces the following results:
'(Any result that is lengthy, specific to the machine on which this sample was tested, 
'or reveals information that should remain secure, has been omitted 
'and marked "!---OMITTED---!".)
'
'MachineName: !---OMITTED---!
'


// Sample for the Environment.MachineName property
using System;

class Sample 
{
    public static void Main() 
    {
    Console.WriteLine();
//  <-- Keep this information secure! -->
    Console.WriteLine("MachineName: {0}", Environment.MachineName);
    }
}
/*
This example produces the following results:
(Any result that is lengthy, specific to the machine on which this sample was tested, or reveals information that should remain secure, has been omitted and marked "!---OMITTED---!".)

MachineName: !---OMITTED---!
*/


// Sample for the Environment::MachineName property
using namespace System;
int main()
{
   Console::WriteLine();

   //  <-- Keep this information secure! -->
   Console::WriteLine( "MachineName: {0}", Environment::MachineName );
}

/*
This example produces the following results:
(Any result that is lengthy, specific to the machine on which this sample was tested, or reveals information that should remain secure, has been omitted and marked S"!---OMITTED---!".)

MachineName: !---OMITTED---!
*/

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET Framework Security

EnvironmentPermission
for read access to the COMPUTERNAME environment variable. Associated enumeration: EnvironmentPermissionAccess..::.Read

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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