NetworkInterface.GetIsNetworkAvailable Method (System.Net.NetworkInformation)

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GetIsNetworkAvailable Method

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This page is specific to

Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:

.NET Framework Class Library

NetworkInterface..::.GetIsNetworkAvailable Method

Indicates whether any network connection is available.

Namespace: System.Net.NetworkInformation
Assembly: System (in System.dll)

Syntax

Visual Basic (Declaration)

Public Shared Function GetIsNetworkAvailable As Boolean

Visual Basic (Usage)

Dim returnValue As Boolean

returnValue = NetworkInterface.GetIsNetworkAvailable()

public static bool GetIsNetworkAvailable()

Visual C++

public:
static bool GetIsNetworkAvailable()

JScript

public static function GetIsNetworkAvailable() : boolean

Return Value

Type: System..::.Boolean
true if a network connection is available; otherwise, false.

Remarks

A network connection is considered to be available if any network interface is marked "up" and is not a loopback or tunnel interface.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0

Reference

NetworkInterface Class

NetworkInterface Members

System.Net.NetworkInformation Namespace