ContactManager.DeleteContact Método

Definição

Espaço de Nomes:
System.Net.PeerToPeer.Collaboration
Assemblagem:
System.Net.dll

Remove um PeerContact ou PeerName do ContactManager par local.

Sobrecargas

Name Description
DeleteContact(PeerContact)

Remove o especificado PeerContact do ContactManager par local.
DeleteContact(PeerName)

Remove o PeerContact associado ao especificado PeerName do ContactManager par local.

DeleteContact(PeerContact)

Remove o especificado PeerContact do ContactManager par 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)

Parâmetros

peerContact
PeerContact

O PeerContact para remover do ContactManager.

Exceções

ArgumentNullException

peerContact é null.

Exemplos

O seguinte exemplo de código ilustra como eliminar a PeerContact do 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;
}

Observações

Chamar este método requer um PermissionState de Unrestricted.

Ver também

Aplica-se a

DeleteContact(PeerName)

Remove o PeerContact associado ao especificado PeerName do ContactManager par 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)

Parâmetros

peerName
PeerName

O PeerName associado ao PeerContact para remover do ContactManager.

Atributos
SecurityCriticalAttribute

Exceções

ArgumentException

O PeerContact responsável PeerName não foi encontrado no gestor de contactos.

ArgumentNullException

peerName é null.

ObjectDisposedException

Este objeto já o tinha Dispose() solicitado anteriormente e não poderá ser utilizado para operações futuras.

PeerToPeerException

Incapaz de completar DeleteContact a operação.

Exemplos

O seguinte exemplo de código ilustra como eliminar a PeerContact do 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;
}

Observações

Chamar este método requer um PermissionState de Unrestricted.

Ver também

Aplica-se a