ContactManager.DeleteContact Méthode

Définition

Espace de noms:

System.Net.PeerToPeer.Collaboration

Assembly:

System.Net.dll

Supprime un PeerContact ou PeerName du ContactManager de l'homologue local.

Surcharges

DeleteContact(PeerContact)	Supprime le PeerContact spécifié dans le ContactManager de l’homologue local.
DeleteContact(PeerName)	Supprime le PeerContact associé au PeerName spécifié dans le ContactManager de l’homologue local.

DeleteContact(PeerContact)

Supprime le PeerContact spécifié dans le ContactManager de l’homologue local.

public:
 void DeleteContact(System::Net::PeerToPeer::Collaboration::PeerContact ^ peerContact);

public void DeleteContact (System.Net.PeerToPeer.Collaboration.PeerContact peerContact);

member this.DeleteContact : System.Net.PeerToPeer.Collaboration.PeerContact -> unit

Public Sub DeleteContact (peerContact As PeerContact)

Paramètres

peerContact

PeerContact

PeerContact à supprimer de ContactManager.

Exceptions

ArgumentNullException

peerContact a la valeur null.

Exemples

L’exemple de code suivant montre comment supprimer un PeerContact du local ContactManager:

//Enumerating the contacts and letting the user choose which one to delete.
public static void DeleteContact()
{
    PeerContactCollection pcc = null;
    string contactToDelete = "";

    try
    {
        pcc = EnumContacts();
        if (pcc == null ||
            pcc.Count == 0)
        {
            Console.WriteLine("Contact list is empty -- no such contact exists.");
            return;
        }
        Console.Write("Please enter the nickname of the contact you wish to delete: ");
        contactToDelete = Console.ReadLine();

        foreach (PeerContact pc in pcc)
        {
            if (pc.Nickname.Equals(contactToDelete))
            {
                PeerCollaboration.ContactManager.DeleteContact(pc);
                Console.WriteLine("Contact {0} successfully deleted!", contactToDelete);
                return;
            }
        }
        Console.WriteLine("Contact {0} could not be found in the contact collection.", contactToDelete);
    }
    catch (ArgumentNullException argNullEx)
    {
        Console.WriteLine("The supplied contact is null: {0}", argNullEx.Message);
    }
    catch (ArgumentException argEx)
    {
        Console.WriteLine("The supplied contact \"{0}\" could not be found in the Contact Manager: {1}",
            contactToDelete, argEx.Message);
    }
    catch (PeerToPeerException p2pEx)
    {
        Console.WriteLine("The Peer Collaboration Infrastructure could not delete \"{0}\": {1}",
            contactToDelete, p2pEx.Message);
    }
    catch (Exception ex)
    {
        Console.WriteLine("Unexpected exception when trying to delete a contact : {0}", ex);
    }
    return;
}

Remarques

L’appel de cette méthode nécessite un PermissionState de Unrestricted.

Voir aussi

• GetContact(PeerName)

DeleteContact(PeerName)

Supprime le PeerContact associé au PeerName spécifié dans le ContactManager de l’homologue local.

public:
 void DeleteContact(System::Net::PeerToPeer::PeerName ^ peerName);

[System.Security.SecurityCritical]
public void DeleteContact (System.Net.PeerToPeer.PeerName peerName);

[<System.Security.SecurityCritical>]
member this.DeleteContact : System.Net.PeerToPeer.PeerName -> unit

Public Sub DeleteContact (peerName As PeerName)

Paramètres

peerName

PeerName

PeerName associé au PeerContact à supprimer du ContactManager.

Attributs

SecurityCriticalAttribute

Exceptions

ArgumentException

Le PeerContact associé au PeerName est introuvable dans le gestionnaire de contacts.

ArgumentNullException

peerName a la valeur null.

ObjectDisposedException

Cet objet a été la cible d’un appel Dispose() et ne peut pas être utilisé pour les opérations futures.

PeerToPeerException

Impossible de terminer l’opération DeleteContact.

Exemples

L’exemple de code suivant montre comment supprimer un PeerContact du local ContactManager:

//Enumerating the contacts and letting the user choose which one to delete.
public static void DeleteContact()
{
    PeerContactCollection pcc = null;
    string contactToDelete = "";

    try
    {
        pcc = EnumContacts();
        if (pcc == null ||
            pcc.Count == 0)
        {
            Console.WriteLine("Contact list is empty -- no such contact exists.");
            return;
        }
        Console.Write("Please enter the nickname of the contact you wish to delete: ");
        contactToDelete = Console.ReadLine();

        foreach (PeerContact pc in pcc)
        {
            if (pc.Nickname.Equals(contactToDelete))
            {
                PeerCollaboration.ContactManager.DeleteContact(pc);
                Console.WriteLine("Contact {0} successfully deleted!", contactToDelete);
                return;
            }
        }
        Console.WriteLine("Contact {0} could not be found in the contact collection.", contactToDelete);
    }
    catch (ArgumentNullException argNullEx)
    {
        Console.WriteLine("The supplied contact is null: {0}", argNullEx.Message);
    }
    catch (ArgumentException argEx)
    {
        Console.WriteLine("The supplied contact \"{0}\" could not be found in the Contact Manager: {1}",
            contactToDelete, argEx.Message);
    }
    catch (PeerToPeerException p2pEx)
    {
        Console.WriteLine("The Peer Collaboration Infrastructure could not delete \"{0}\": {1}",
            contactToDelete, p2pEx.Message);
    }
    catch (Exception ex)
    {
        Console.WriteLine("Unexpected exception when trying to delete a contact : {0}", ex);
    }
    return;
}

Remarques

L’appel de cette méthode nécessite un PermissionState de Unrestricted.

Voir aussi

• PeerNearMe