How to check for a network connection in .NET 2.0 (C# or VB)

quoted from: http://www.ardentdev.com/blog/index.php/2006/01/18/how-to-check-for-a-network-connection-in-net-20-c-or-vb/

To check for a network connection in .NET 2.0 use this:

System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable()

To monitor a change in IP address or a change in network availability, use the events from the NetworkChange class:

System.Net.NetworkInformation.NetworkChange.NetworkAvailabilityChanged

System.Net.NetworkInformation.NetworkChange.NetworkAddressChanged

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