ContactManager.AddContact(PeerContact) Método

Definición

Agrega el PeerContact especificado a ContactManager del mismo nivel local.Adds the specified PeerContact to the ContactManager of the local peer.

public:
 void AddContact(System::Net::PeerToPeer::Collaboration::PeerContact ^ peerContact);
[System.Security.SecurityCritical]
public void AddContact (System.Net.PeerToPeer.Collaboration.PeerContact peerContact);
[<System.Security.SecurityCritical>]
member this.AddContact : System.Net.PeerToPeer.Collaboration.PeerContact -> unit
Public Sub AddContact (peerContact As PeerContact)

Parámetros

peerContact
PeerContact

La instancia PeerContact que se va a agregar a ContactManager.The PeerContact instance to add to ContactManager.

Atributos

Excepciones

El objeto PeerContact especificado por peerContact ya existe.The PeerContact specified by peerContact already exists.

peerContact es null.peerContact is null.

El objeto peerContact especificado se ha eliminado.The specified peerContact has been disposed.

- El objeto PeerContact especificado por peerContact no se puede reconstituir desde su formato XML serializado.- The PeerContact specified by peerContact could not be reconstituted from its serialized XML format.

- No se puede agregar el elemento del mismo nivel local a la instancia ContactManager que se está construyendo.- Unable to add the local peer to the ContactManager instance being constructed.

Ejemplos

En el ejemplo de código siguiente se muestra cómo enumerar un PeerNearMe y agregarlo como un PeerContact al local ContactManager :The following example code illustrates how to enumerate a PeerNearMe and add it as a PeerContact to the local ContactManager:

// Displays all contacts and asssociated peer endpoints (PeerEndPoint) in the PeerContactCollection.
private static void DisplayContacts(PeerContactCollection peerContactsCollection)
{
    if (peerContactsCollection == null ||
        peerContactsCollection.Count == 0)
    {
        Console.WriteLine("No contacts to display. To add a contact select option 0 from the menu.");
    }
    else
    {
        foreach (PeerContact pc in peerContactsCollection)
        {
            Console.WriteLine("The contact is: {0}", pc.DisplayName);
            DisplayEndpoints(pc.PeerEndPoints);
        }
    }
    return;
}

//------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------
// Displays all peer end points (PeerEndPoint) in the PeerEndPointCollection.

private static void DisplayEndpoints(PeerEndPointCollection endpointCollection)
{
    if (endpointCollection == null ||  endpointCollection.Count == 0)
    {
        Console.WriteLine("No peer endpoints in the collection to display.");
    }
    else
    {
        foreach (PeerEndPoint pep in endpointCollection)
        {
            Console.WriteLine("PeerEndPoint is: {0}", pep);
            Console.WriteLine("PeerEndPoint data is:\n  Name: {0}\n EndPoint IP address: {1}\n . Port: {2}\n",
                pep.Name,
                pep.EndPoint.Address,
                pep.EndPoint.Port);
        }
    }
    return;
}

//------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------
//List PeerNearMe objects that may be added as contacts.

private static void AddContact()
{
    PeerNearMeCollection pnmc = null;
    PeerContactCollection peerContacts = null;
    bool peerNameFound = false;

    PeerApplication application = null;

    try
    {
        Console.WriteLine("Listing the existing contacts...");
        peerContacts = PeerCollaboration.ContactManager.GetContacts();
    }
    catch (PeerToPeerException p2pEx)
    {
        Console.WriteLine("The Peer Collaboration Infrastructure is not responding to the contact enumeration request: {0}", p2pEx.Message);
    }
    catch (Exception ex)
    {
        Console.WriteLine("An unexpected error occurred while attempting to obtain the contact list: {0}", ex.Message);
    }

    DisplayContacts(peerContacts);

    try
    {
        //Adds one of the PeerNearMe objects as a contact.
        pnmc = GetPeersNearMe();
        Console.WriteLine("Please enter the nickname of the peer you wish to add as a contact:");
        string peerNameToAdd = Console.ReadLine();

        application = RegisterCollabApp();

        foreach (PeerNearMe pnm in pnmc)
        {
            PeerInvitationResponse res = null;
            if (pnm.Nickname.Contains(peerNameToAdd))
            {
                peerNameFound = true;
                if (!peerContacts.ToString().Contains(pnm.Nickname))
                {
                    Console.WriteLine("Adding peer {0} to the contact list.", pnm.Nickname);
                    pnm.AddToContactManager();
                }
                else
                {
                    Console.WriteLine("This peer already exists in your contact list.");
                    Console.WriteLine("Sending invitation using the Contact structure instead of the PeerNearMe.");
                    foreach (PeerContact pc in peerContacts)
                    {
                        if (pc.Nickname.Equals(pnm.Nickname))
                        {
                            res = pnm.Invite(application, "Peer Collaboration Sample", application.Data);
                            if (res.PeerInvitationResponseType == PeerInvitationResponseType.Accepted)
                            {
                                Console.WriteLine("Invitation to contact succeeded.");
                            }
                            else
                            {
                                Console.WriteLine("Invitation to contact {0}.", res.PeerInvitationResponseType);
                            }
                        }
                    }
                }
            }
        }

        if (!peerNameFound)
        {
            Console.WriteLine("No such peer exists near you. Cannot add to contacts.");
            return;
        }

        peerContacts = PeerCollaboration.ContactManager.GetContacts();

        Console.WriteLine("Listing the contacts again...");
        DisplayContacts(peerContacts);
    }
    catch (Exception ex)
    {
        Console.WriteLine("Error adding a contact: {0}", ex.Message);
    }
    finally
    {
        application.Dispose();
    }
    return;
}

Comentarios

La llamada a este método requiere un PermissionState de Unrestricted .Calling this method requires a PermissionState of Unrestricted.

Se aplica a

Consulte también