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NetworkInterface.GetIsNetworkAvailable Method

Indicates whether any network connection is available.

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

Public Shared Function GetIsNetworkAvailable As Boolean
Dim returnValue As Boolean

returnValue = NetworkInterface.GetIsNetworkAvailable
public static boolean GetIsNetworkAvailable ()
public static function GetIsNetworkAvailable () : boolean
Not applicable.

Return Value

true if a network connection is available; otherwise, false.

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

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

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0