CallContext.FreeNamedDataSlot(String) Yöntem

Tanım

Ad Alanı:

System.Runtime.Remoting.Messaging

Bütünleştirilmiş Kod:

mscorlib.dll

Belirtilen ada sahip bir veri yuvasını boşaltın.

public:
 static void FreeNamedDataSlot(System::String ^ name);

public static void FreeNamedDataSlot (string name);

[System.Security.SecurityCritical]
public static void FreeNamedDataSlot (string name);

static member FreeNamedDataSlot : string -> unit

[<System.Security.SecurityCritical>]
static member FreeNamedDataSlot : string -> unit

Public Shared Sub FreeNamedDataSlot (name As String)

Parametreler

name

String

Boşaltacak veri yuvasının adı.

Öznitelikler

SecurityCriticalAttribute

Özel durumlar

SecurityException

Hemen çağıranın altyapı izni yok.

Örnekler

Aşağıdaki kod örneği, mantıksal iş parçacığından döndürülen adlandırılmış veri yuvasının değerini görüntüleyen ve bu adlandırılmış veri yuvasını serbest getiren uzak nesnede bir yöntemi çağırarak adlandırılmış veri yuvası oluşturan bir istemciyi gösterir.

// Register the channel.
TcpChannel^ myChannel = gcnew TcpChannel;
ChannelServices::RegisterChannel( myChannel );
RemotingConfiguration::RegisterActivatedClientType( HelloService::typeid, "Tcp://localhost:8082" );

GenericIdentity^ myIdentity = gcnew GenericIdentity( "Bob" );
array<String^>^ idStr = gcnew array<String^>(1);
idStr[ 0 ] = "Level1";
GenericPrincipal^ myPrincipal = gcnew GenericPrincipal( myIdentity, idStr );
MyLogicalCallContextData ^ myData = gcnew MyLogicalCallContextData( myPrincipal );

// Set DataSlot with name parameter.
CallContext::SetData( "test data", myData );

// Create a remote Object*.
HelloService ^ myService = gcnew HelloService;
if ( myService == nullptr )
{
   Console::WriteLine( "Cannot locate server." );
   return  -1;
}

// Call the Remote methods.
Console::WriteLine( "Remote method output is {0}", myService->HelloMethod( "Microsoft" ) );

MyLogicalCallContextData ^ myReturnData =
   (MyLogicalCallContextData^)( CallContext::GetData( "test data" ) );
if ( myReturnData == nullptr )
{
   Console::WriteLine( "Data is 0." );
}
else
{
   Console::WriteLine( "Data is ' {0}'", myReturnData->numOfAccesses );
}

// DataSlot with same Name Parameter which was Set is Freed.
CallContext::FreeNamedDataSlot( "test data" );
MyLogicalCallContextData ^ myReturnData1 =
   (MyLogicalCallContextData^)( CallContext::GetData( "test data" ) );
if ( myReturnData1 == nullptr )
{
   Console::WriteLine( "FreeNamedDataSlot Successful for test data" );
}
else
{
   Console::WriteLine( "FreeNamedDataSlot Failed  for test data" );
}

// Register the channel.
TcpChannel myChannel = new TcpChannel ();
ChannelServices.RegisterChannel(myChannel);
RemotingConfiguration.RegisterActivatedClientType(typeof(HelloService),"Tcp://localhost:8082");

GenericIdentity myIdentity = new GenericIdentity("Bob");
GenericPrincipal myPrincipal = new GenericPrincipal(myIdentity,new string[] {"Level1"});
MyLogicalCallContextData myData = new MyLogicalCallContextData(myPrincipal);

// Set DataSlot with name parameter.
CallContext.SetData("test data",myData);

// Create a remote object.
HelloService myService = new HelloService();
if (myService == null)
{
   Console.WriteLine("Cannot locate server.");
   return;
}

// Call the Remote methods.
Console.WriteLine("Remote method output is " + myService.HelloMethod("Microsoft"));

MyLogicalCallContextData myReturnData =
                           (MyLogicalCallContextData) CallContext.GetData("test data");
if (myReturnData == null )
   Console.WriteLine("Data is null.");
else
   Console.WriteLine("Data is '{0}'", myReturnData.numOfAccesses);

// DataSlot with same Name Parameter which was Set is Freed.
CallContext.FreeNamedDataSlot("test data");
MyLogicalCallContextData myReturnData1 =
                        (MyLogicalCallContextData) CallContext.GetData("test data");
if (myReturnData1 == null )
   Console.WriteLine("FreeNamedDataSlot Successful for test data");
else
   Console.WriteLine("FreeNamedDataSlot Failed  for test data");

' Register the channel.
Dim myChannel As New TcpChannel()
ChannelServices.RegisterChannel(myChannel)
RemotingConfiguration.RegisterActivatedClientType(GetType(HelloService), "Tcp://localhost:8082")


Dim myIdentity As New GenericIdentity("Bob")
Dim myPrincipal As New GenericPrincipal(myIdentity, New String() {"Level1"})
Dim myData As New MyLogicalCallContextData(myPrincipal)

' Set DataSlot with name parameter.
CallContext.SetData("test data", myData)

' Create a remote object.
Dim myService As New HelloService()
If myService Is Nothing Then
   Console.WriteLine("Cannot locate server.")
   return
End If

' Call the Remote methods.
Console.WriteLine("Remote method output is " + myService.HelloMethod("Microsoft"))

Dim myReturnData As MyLogicalCallContextData = _
                  CType(CallContext.GetData("test data"), MyLogicalCallContextData)

If myReturnData Is Nothing Then
   Console.WriteLine("Data is null.")
Else
   Console.WriteLine("Data is '{0}'", myReturnData.numOfAccesses)
End If 

' DataSlot with same Name Parameter which was Set is Freed.
CallContext.FreeNamedDataSlot("test data")
Dim myReturnData1 As MyLogicalCallContextData = _
                  CType(CallContext.GetData("test data"), MyLogicalCallContextData)

If myReturnData1 Is Nothing Then
   Console.WriteLine("FreeNamedDataSlot Successful for test data")
Else
   Console.WriteLine("FreeNamedDataSlot Failed  for test data")
End If