Method that checks if a VPN is connected

csharp_vpncheck.cs

private static bool VpnCheck()
{
    if (NetworkInterface.GetIsNetworkAvailable())
    {
        NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
        foreach (NetworkInterface Interface in interfaces)
        {
            if (Interface.Description.Contains("Juniper Networks Virtual Adapter")
              && Interface.OperationalStatus == OperationalStatus.Up)
            {
                return true;
            }
        }
    }
    return false;
}