AddHandler NetworkChange.NetworkAddressChanged, AddressOf NetworkChange_NetworkAddressChanged

Private Sub NetworkChange_NetworkAddressChanged(sender As Object, e As EventArgs)
End Sub

Refer : http://www.thescarms.com/dotnet/EventHandler.aspx

http://devcity.net/Articles/25/1/20020316.aspx

 Refer : http://www.developerfusion.com/tools/convert/csharp-to-vb/