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.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
Public Delegate Sub NetworkAvailabilityChangedEventHandler ( _
	sender As [%$TOPIC/ms144919_en-us_VS_110_1_0_0_0_0%], _
	e As [%$TOPIC/ms144919_en-us_VS_110_1_0_0_0_1%] _
)
public delegate void NetworkAvailabilityChangedEventHandler(
	[%$TOPIC/ms144919_en-us_VS_110_1_0_1_0_0%] sender,
	[%$TOPIC/ms144919_en-us_VS_110_1_0_1_0_1%] e
)
public delegate void NetworkAvailabilityChangedEventHandler(
	[%$TOPIC/ms144919_en-us_VS_110_1_0_2_0_0%]^ sender, 
	[%$TOPIC/ms144919_en-us_VS_110_1_0_2_0_1%]^ e
)
type NetworkAvailabilityChangedEventHandler = 
    delegate of  
        sender:[%$TOPIC/ms144919_en-us_VS_110_1_0_3_0_0%] * 
        e:[%$TOPIC/ms144919_en-us_VS_110_1_0_3_0_1%] -> unit

Parameters

sender
Type: SystemObject

The source of the event.

e
Type: System.Net.NetworkInformationNetworkAvailabilityEventArgs

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.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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