SocketPermission.AcceptList-Eigenschaft

Ruft eine Liste der EndpointPermission-Instanzen ab, die die Endpunkte bezeichnen, die unter dieser Berechtigungsinstanz akzeptiert werden können.

Namespace: System.Net
Assembly: System (in system.dll)

Syntax

'Declaration
Public ReadOnly Property AcceptList As IEnumerator
'Usage
Dim instance As SocketPermission
Dim value As IEnumerator

value = instance.AcceptList

public IEnumerator AcceptList { get; }

public:
property IEnumerator^ AcceptList {
    IEnumerator^ get ();
}

/** @property */
public IEnumerator get_AcceptList ()

public function get AcceptList () : IEnumerator

Eigenschaftenwert

Eine Instanz, die die IEnumerator-Schnittstelle mit den EndpointPermission-Instanzen implementiert.

Beispiel

Im folgenden Beispiel wird mit der AcceptList-Eigenschaft eine Liste von Endpunkten zurückgegeben, denen Accept-Berechtigungen erteilt wurden.

' Creates a SocketPermission restricting access to and from all URIs.
Dim mySocketPermission1 As New SocketPermission(PermissionState.None)

' The socket to which this permission will apply will allow connections from www.contoso.com.
mySocketPermission1.AddPermission(NetworkAccess.Accept, TransportType.Tcp, "www.contoso.com", 11000)

' Creates a SocketPermission which will allow the target Socket to connect with www.southridgevideo.com.
Dim mySocketPermission2 As New SocketPermission(NetworkAccess.Connect, TransportType.Tcp, "www.southridgevideo.com", 11002)

' Creates a SocketPermission from the union of two SocketPermissions.
Dim mySocketPermissionUnion As SocketPermission = CType(mySocketPermission1.Union(mySocketPermission2), SocketPermission)

' Checks to see if the union was successfully created by using the IsSubsetOf method.
If mySocketPermission1.IsSubsetOf(mySocketPermissionUnion) And mySocketPermission2.IsSubsetOf(mySocketPermissionUnion) Then
   Console.WriteLine("This union contains permissions from both mySocketPermission1 and mySocketPermission2")
   
   ' Prints the allowable accept URIs to the console.
   Console.WriteLine("This union accepts connections on :")
   
   Dim myEnumerator As IEnumerator = mySocketPermissionUnion.AcceptList
   While myEnumerator.MoveNext()
      Console.WriteLine(CType(myEnumerator.Current, EndpointPermission).ToString())
   End While
   
   Console.WriteLine("This union establishes connections on : ")
   
   ' Prints the allowable connect URIs to the console.
   Console.WriteLine("This union permits connections to :")
   
   myEnumerator = mySocketPermissionUnion.ConnectList
   While myEnumerator.MoveNext()
      Console.WriteLine(CType(myEnumerator.Current, EndpointPermission).ToString())
   End While
End If 

// Creates a SocketPermission restricting access to and from all URIs.
SocketPermission mySocketPermission1 = new SocketPermission(PermissionState.None);

// The socket to which this permission will apply will allow connections from www.contoso.com.
mySocketPermission1.AddPermission(NetworkAccess.Accept, TransportType.Tcp, "www.contoso.com", 11000);

// Creates a SocketPermission which will allow the target Socket to connect with www.southridgevideo.com.
SocketPermission mySocketPermission2 =
                           new SocketPermission(NetworkAccess.Connect, TransportType.Tcp, "www.southridgevideo.com", 11002);

// Creates a SocketPermission from the union of two SocketPermissions.
SocketPermission mySocketPermissionUnion = 
                           (SocketPermission)mySocketPermission1.Union(mySocketPermission2);

// Checks to see if the union was successfully created by using the IsSubsetOf method.
if (mySocketPermission1.IsSubsetOf(mySocketPermissionUnion) && 
       mySocketPermission2.IsSubsetOf(mySocketPermissionUnion)){
     Console.WriteLine("This union contains permissions from both mySocketPermission1 and mySocketPermission2"); 

     // Prints the allowable accept URIs to the console.
     Console.WriteLine("This union accepts connections on :");

     IEnumerator myEnumerator = mySocketPermissionUnion.AcceptList;
  while (myEnumerator.MoveNext()) {
          Console.WriteLine(((EndpointPermission)myEnumerator.Current).ToString());
       }      

        // Prints the allowable connect URIs to the console.
     Console.WriteLine("This union permits connections to :");

     myEnumerator = mySocketPermissionUnion.ConnectList;
  while (myEnumerator.MoveNext()) {
          Console.WriteLine(((EndpointPermission)myEnumerator.Current).ToString());
       }      

      }

// Creates a SocketPermission restricting access to and from all URIs.
SocketPermission^ mySocketPermission1 = gcnew SocketPermission( PermissionState::None );

// The socket to which this permission will apply will allow connections from www.contoso.com.
mySocketPermission1->AddPermission( NetworkAccess::Accept, TransportType::Tcp,  "www.contoso.com", 11000 );

// Creates a SocketPermission which will allow the target Socket to connect with www.southridgevideo.com.
SocketPermission^ mySocketPermission2 = gcnew SocketPermission( NetworkAccess::Connect,TransportType::Tcp, "www.southridgevideo.com",11002 );

// Creates a SocketPermission from the union of two SocketPermissions.
SocketPermission^ mySocketPermissionUnion =
   (SocketPermission^)( mySocketPermission1->Union( mySocketPermission2 ) );

// Checks to see if the union was successfully created by using the IsSubsetOf method.
if ( mySocketPermission1->IsSubsetOf( mySocketPermissionUnion ) &&
   mySocketPermission2->IsSubsetOf( mySocketPermissionUnion ) )
{
   Console::WriteLine(  "This union contains permissions from both mySocketPermission1 and mySocketPermission2" );
   
   // Prints the allowable accept URIs to the console.
   Console::WriteLine(  "This union accepts connections on :" );

   IEnumerator^ myEnumerator = mySocketPermissionUnion->AcceptList;
   while ( myEnumerator->MoveNext() )
   {
      Console::WriteLine( safe_cast<EndpointPermission^>( myEnumerator->Current )->ToString() );
   }
   
   // Prints the allowable connect URIs to the console.
   Console::WriteLine(  "This union permits connections to :" );

   myEnumerator = mySocketPermissionUnion->ConnectList;
   while ( myEnumerator->MoveNext() )
   {
      Console::WriteLine( safe_cast<EndpointPermission^>( myEnumerator->Current )->ToString() );
   }
}

// Creates a SocketPermission restricting access to and from all URIs.
SocketPermission mySocketPermission1 
    = new SocketPermission(PermissionState.None);
// The socket to which this permission will apply will allow 
// connections from www.contoso.com.
mySocketPermission1.AddPermission(NetworkAccess.Accept, 
    TransportType.Tcp, "www.contoso.com", 11000);
// Creates a SocketPermission which will allow the target Socket to 
// connect with www.southridgevideo.com.
SocketPermission mySocketPermission2 
    = new SocketPermission(NetworkAccess.Connect, 
    TransportType.Tcp, "www.southridgevideo.com", 11002);
// Creates a SocketPermission from the union of two SocketPermissions.
SocketPermission mySocketPermissionUnion 
    = (SocketPermission)mySocketPermission1.Union(mySocketPermission2);
// Checks to see if the union was successfully created by using the 
// IsSubsetOf method.
if (mySocketPermission1.IsSubsetOf(mySocketPermissionUnion) 
    && mySocketPermission2.IsSubsetOf(mySocketPermissionUnion)) {
    Console.WriteLine("This union contains permissions from both "                                 + "mySocketPermission1 and mySocketPermission2");
    // Prints the allowable accept URIs to the console.
    Console.WriteLine("This union accepts connections on :");

    IEnumerator myEnumerator = mySocketPermissionUnion.
        get_AcceptList();
    while (myEnumerator.MoveNext()) {
        Console.WriteLine(((EndpointPermission)myEnumerator.
            get_Current()).ToString());
    }
    // Prints the allowable connect URIs to the console.
    Console.WriteLine("This union permits connections to :");

    myEnumerator = mySocketPermissionUnion.get_ConnectList();
    while (myEnumerator.MoveNext()) {
        Console.WriteLine(((EndpointPermission)myEnumerator.
            get_Current()).ToString());
    }
}

Plattformen

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

SocketPermission-Klasse
SocketPermission-Member
System.Net-Namespace