ContactManager.DeleteContact Método

Definição

Namespace:

System.Net.PeerToPeer.Collaboration

Assembly:

System.Net.dll

Remove um PeerContact ou PeerName do ContactManager do par local.

Sobrecargas

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

DeleteContact(PeerContact)

Remove o PeerContact especificado do ContactManager do 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 a ser removido de ContactManager.

Exceções

ArgumentNullException

peerContact é null.

Exemplos

O exemplo de código a seguir ilustra como excluir um 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;
}

Comentários

Chamar esse método requer um PermissionState de Unrestricted.

Confira também

• GetContact(PeerName)

DeleteContact(PeerName)

Remove o PeerContact associado ao PeerName especificado do ContactManager do 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 a ser removido do ContactManager.

Atributos

SecurityCriticalAttribute

Exceções

ArgumentException

O PeerContact associado ao PeerName não pôde ser encontrado no gerenciador de contatos.

ArgumentNullException

peerName é null.

ObjectDisposedException

Este objeto tinha tido Dispose() chamado anteriormente nele e não pode ser usado para operações futuras.

PeerToPeerException

Não é possível concluir a operação DeleteContact.

Exemplos

O exemplo de código a seguir ilustra como excluir um 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;
}

Comentários

Chamar esse método requer um PermissionState de Unrestricted.

Confira também

• PeerNearMe