using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.NetworkInformation;
public static class Net
{
private static readonly Ping _ping;
private static readonly List _sites;
static Net()
{
_ping = new Ping();
_sites = new List { "www.google.com", "www.microsoft.com", "www.yahoo.com" };
}
///
/// This method checks if there is a connection at all.
///
/// true if there is a connection, false otherwise
public static bool IsConnectionAvailable()
{
try
{
var notReturned =
_sites.Select(site => _ping.Send(site, 10)).Count(reply => reply.Status != IPStatus.Success);
return notReturned != _sites.Count;
}
catch (PingException pingException)
{
Console.WriteLine(pingException.StackTrace);
}
return false;
}
}