How can I check out whether the system is connected to the internet?

How can I check out whether the system is connected to the internet?

• Prince of Dhump

  There are more than one way to get connection state

  The First is to use P/invoke and calling WinAPI InternetGetConnectedState

  The Seconed .Net 2 have NetworkChange class it hase two events NetworkAvailabilityChanged and NetworkAddressChanged

  for an example of this method look at

  http://forums.microsoft.com/MSDN/ShowPost.aspx PostID=118246&SiteID=1

  The Third to use System management objects for an example of this method look at

  http://forums.microsoft.com/MSDN/ShowPost.aspx PostID=559421&SiteID=1

  
  
  

• DavidFG

  This question has been asked a couple of times previously and I'd suggest taking a look at a couple of those threads:

  • Detecting Internet Connection
  • how to detect internet connection automatically

  
  
  
• How can I check out whether the system is connected to the internet?