NetworkAvailabilityChangedEventHandler Delegate (System.Net.NetworkInformation)

NetworkAvailabilityChangedEventHandler Delegate

.NET Framework Class Library

NetworkAvailabilityChangedEventHandler Delegate

References one or more methods to be called when the availability of the network changes.

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

Syntax

Visual Basic (Declaration)

Public Delegate Sub NetworkAvailabilityChangedEventHandler ( _
    sender As Object, _
    e As NetworkAvailabilityEventArgs _
)

Visual Basic (Usage)

Dim instance As New NetworkAvailabilityChangedEventHandler(AddressOf HandlerMethod)

public delegate void NetworkAvailabilityChangedEventHandler(
    Object sender,
    NetworkAvailabilityEventArgs e
)

Visual C++

public delegate void NetworkAvailabilityChangedEventHandler(
    Object^ sender, 
    NetworkAvailabilityEventArgs^ e
)

JScript

JScript does not support delegates.

Parameters

sender: Type: System..::.Object
The source of the event.

e: Type: System.Net.NetworkInformation..::.NetworkAvailabilityEventArgs
An EventArgs object that contains data about the event.

Remarks

This delegate handles NetworkAvailabilityChanged events raised by the NetworkChange class. For detailed information on receiving notification for network interface address change events, see the NetworkChange class overview documentation.

The NetworkAvailabilityChanged event is supported on Windows 2000 and later.

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

System.Net.NetworkInformation Namespace