ContactManager.DeleteContact Metoda

Definicja

Przestrzeń nazw:

System.Net.PeerToPeer.Collaboration

Zestaw:

System.Net.dll

Usuwa element PeerContact lub PeerName z ContactManager lokalnej komunikacji równorzędnej.

Przeciążenia

DeleteContact(PeerContact)	Usuwa określony PeerContact element z lokalnej komunikacji równorzędnej ContactManager .
DeleteContact(PeerName)	PeerContact Usuwa element skojarzony z określonym PeerName elementem równorzędnym ContactManager z lokalnym elementem równorzędnym.

DeleteContact(PeerContact)

Usuwa określony PeerContact element z lokalnej komunikacji równorzędnej ContactManager .

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)

Parametry

peerContact

PeerContact

Element PeerContact do usunięcia z elementu ContactManager.

Wyjątki

ArgumentNullException

peerContact to null.

Przykłady

W poniższym przykładzie kodu pokazano, jak usunąć element PeerContact z lokalnego ContactManagerelementu :

//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;
}

Uwagi

Wywołanie tej metody wymaga wartości PermissionState .Unrestricted

Zobacz też

• GetContact(PeerName)

DeleteContact(PeerName)

PeerContact Usuwa element skojarzony z określonym PeerName elementem równorzędnym ContactManager z lokalnym elementem równorzędnym.

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)

Parametry

peerName

PeerName

Skojarzony PeerName z elementem PeerContact do usunięcia z elementu ContactManager.

Atrybuty

SecurityCriticalAttribute

Wyjątki

ArgumentException

PeerContact Nie można odnaleźć skojarzonego elementu z PeerName menedżerem kontaktów.

ArgumentNullException

peerName to null.

ObjectDisposedException

Ten obiekt został Dispose() wcześniej wywołany i nie może być używany do przyszłych operacji.

PeerToPeerException

Nie można ukończyć DeleteContact operacji.

Przykłady

W poniższym przykładzie kodu pokazano, jak usunąć element PeerContact z lokalnego ContactManagerelementu :

//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;
}

Uwagi

Wywołanie tej metody wymaga wartości PermissionState .Unrestricted

Zobacz też

• PeerNearMe