// If more than one endpoint for a contact exists, let the user choose which to use.
//Parameters:
//   pContact - contact to pick an endpoint for
//   return value: pPeerEndpoint -  the endpoint the user picked
private static PeerEndPoint PickEndpointForContact(PeerContact pContact)
{
    PeerEndPointCollection endPointCollection = pContact.PeerEndPoints;
    if (endPointCollection == null)
    {
        Console.WriteLine("Cannot return endpoint for contact {0} -- PeerEndPointCollection is null.", pContact);
        return null;
    }

    if (endPointCollection.Count == 0)
    {
        Console.WriteLine("Cannot return endpoint for contact {0} -- PeerEndPointCollection is empty.", pContact);
        return null;
    }

    foreach (PeerEndPoint pep in endPointCollection)
    {
        Console.WriteLine("PeerEndPoint is {0}:" , pep);
        Console.WriteLine("PeerEndPoint information:\n Name: {0}\n  IP Address: {1}\n  Port: {2}\n", 
            pep.Name, 
            pep.EndPoint.Address, 
            pep.EndPoint.Port);
    }

    return endPointCollection[0];
}