C# PeerCollaboration.GetPeersNearMe方法代码示例

//This function retrieves the peers near me as a PeerNearMeCollection.
public static PeerNearMeCollection GetPeersNearMe()
{
    PeerNearMeCollection peers = null;
    try
    {
        peers = PeerCollaboration.GetPeersNearMe();
        if (peers == null ||
            peers.Count == 0)
        {
            Console.WriteLine("There are no peers near me.");
        }
        foreach (PeerNearMe pnm in peers)
        {
            Console.WriteLine("Getting the peers near me: {0}, nickname {1}, isOnline {2}",
                pnm.ToString(),
                pnm.Nickname,
                pnm.IsOnline);
        }
    }
    catch (PeerToPeerException p2pEx)
    {
        Console.WriteLine("Could not obtain an enumeration of the peers near me: {0}", p2pEx.Message);
    }
    catch (InvalidOperationException ioEx)
    {
        Console.WriteLine("The application is no longer signed into the Peer Collaboration Infrastructure: {0}", 
            ioEx.Message);
    }
    catch (Exception ex)
    {
        Console.WriteLine("Unexpected exception caught when trying to enumerate the peers near me: {0}",
            ex.Message);
    }

    return peers;
}