ContactManager.DeleteContact 方法

定义

命名空间:
System.Net.PeerToPeer.Collaboration
程序集:
System.Net.dll

PeerContact删除或PeerName从ContactManager本地对等方中删除。

重载

名称 说明
DeleteContact(PeerContact)

从本地对等方中删除指定的PeerContactContactManager值。
DeleteContact(PeerName)

PeerContact从本地对等方中删除与指定的PeerNameContactManager关联。

DeleteContact(PeerContact)

从本地对等方中删除指定的PeerContactContactManager值。

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)

参数

peerContact
PeerContact

要 PeerContact 从中删除的 ContactManager。

例外

ArgumentNullException

peerContact 是 null。

示例

下面的代码示例演示如何从本地PeerContact删除 aContactManager：

//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;
}

注解

调用此方法需要一个 PermissionState 。Unrestricted

另请参阅

适用于

DeleteContact(PeerName)

PeerContact从本地对等方中删除与指定的PeerNameContactManager关联。

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)

参数

peerName
PeerName

与PeerNamePeerContact要从中删除的ContactManager关联的 。

属性
SecurityCriticalAttribute

例外

ArgumentException

PeerContact在联系人经理中找不到与PeerName关联的联系人。

ArgumentNullException

peerName 是 null。

ObjectDisposedException

此对象以前已 Dispose() 调用它，不能用于将来的操作。

PeerToPeerException

无法完成 DeleteContact 操作。

示例

下面的代码示例演示如何从本地PeerContact删除 aContactManager：

//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;
}

注解

调用此方法需要一个 PermissionState 。Unrestricted

另请参阅

适用于