Internet Check

InternetCheck.cs

using System.Net.NetworkInformation;

public static bool CheckForInternetConnection()
{
    try
    {
        using (var ping = new Ping())
        {
            var result = ping.Send("8.8.8.8", 2000);
            return result.Status == IPStatus.Success;
        }
    }
    catch
    {
        return false;
    }
}