Hi
Due the complex network environment, it is hard to confirm this behavior.
Here is a link for your reference.
http://blogs.msdn.com/trobbins/archive/2005/12/07/501342.aspx
However, to some extent, the My.Computer.Network.IsAvailable will
underlying call the API InternetGetConnectedState which will detect the
Modem status too.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wininet/win
inet/internetgetconnectedstate.asp
So I think you may try to use this approach to detect the network status.
If you still have any conern, please feel free to post here.
Best regards,
Peter Huang
Microsoft Online Community Support
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