ContactManager.GetContacts 메서드

정의

네임스페이스:

System.Net.PeerToPeer.Collaboration

어셈블리:

System.Net.dll

원격 피어의 PeerContactCollection에 있는 모든 대화 상대를 포함하는 ContactManager을 반환합니다.

public:
 System::Net::PeerToPeer::Collaboration::PeerContactCollection ^ GetContacts();

[System.Security.SecurityCritical]
public System.Net.PeerToPeer.Collaboration.PeerContactCollection GetContacts ();

[<System.Security.SecurityCritical>]
member this.GetContacts : unit -> System.Net.PeerToPeer.Collaboration.PeerContactCollection

Public Function GetContacts () As PeerContactCollection

반환

PeerContactCollection

원격 피어의 PeerContactCollection에 있는 모든 대화 상대를 포함하는 ContactManager입니다.

대화 상대 관리자가 비어 있으면 크기가 0인 컬렉션이 반환됩니다.

특성

SecurityCriticalAttribute

예외

ObjectDisposedException

이 ContactManager 개체가 삭제되었습니다.

PeerToPeerException

이 메서드에서 피어 대화 상대 컬렉션의 Peer를 열거하려고 할 때 잘못된 값이 반환된 경우

예제

다음 코드 예제에서는 검색 하는 방법을 보여 줍니다.는 PeerContactCollection 로컬에 포함 된 연락처를 나타내는 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;
}

설명

이 메서드를 호출 하려면를 PermissionState 의 Unrestricted합니다.

추가 정보

• CreateContact(PeerNearMe)
• CreateContactAsync(PeerNearMe, Object)
• UpdateContact(PeerContact)