IMethodMessage.LogicalCallContext Property

public:
 property System::Runtime::Remoting::Messaging::LogicalCallContext ^ LogicalCallContext { System::Runtime::Remoting::Messaging::LogicalCallContext ^ get(); };

public System.Runtime.Remoting.Messaging.LogicalCallContext LogicalCallContext { get; }

public System.Runtime.Remoting.Messaging.LogicalCallContext LogicalCallContext { [System.Security.SecurityCritical] get; }

member this.LogicalCallContext : System.Runtime.Remoting.Messaging.LogicalCallContext

[<get: System.Security.SecurityCritical>]
member this.LogicalCallContext : System.Runtime.Remoting.Messaging.LogicalCallContext

Public ReadOnly Property LogicalCallContext As LogicalCallContext

Property Value

Gets the LogicalCallContext for the current method call.

Attributes

SecurityCriticalAttribute

Exceptions

Examples

The following example code shows how to use the LogicalCallContext property to determine whether any values are attached to the logical thread.

//This sample requires full trust
[PermissionSetAttribute(SecurityAction::Demand, Name = "FullTrust")]
public ref class MyProxy: public RealProxy
{
private:
   String^ stringUri;
   MarshalByRefObject^ targetObject;

public:
   MyProxy( Type^ type )
      : RealProxy( type )
   {
      targetObject = dynamic_cast<MarshalByRefObject^>(Activator::CreateInstance( type ));
      ObjRef^ myObject = RemotingServices::Marshal( targetObject );
      stringUri = myObject->URI;
   }

   MyProxy( Type^ type, MarshalByRefObject^ targetObject )
      : RealProxy( type )
   {
      this->targetObject = targetObject;
   }

   virtual IMessage^ Invoke( IMessage^ message ) override
   {
      message->Properties[ "__Uri" ] = stringUri;
      IMethodMessage^ myMethodMessage = dynamic_cast<IMethodMessage^>(ChannelServices::SyncDispatchMessage( message ));
      Console::WriteLine( "---------IMethodMessage* example-------" );
      Console::WriteLine( "Method name : {0}", myMethodMessage->MethodName );
      Console::WriteLine( "LogicalCallContext has information : {0}", myMethodMessage->LogicalCallContext->HasInfo );
      Console::WriteLine( "Uri : {0}", myMethodMessage->Uri );
      return myMethodMessage;
   }
};

   public class MyProxy : RealProxy
   {

   String stringUri;
   MarshalByRefObject targetObject;

public MyProxy(Type type) : base(type)
{
      targetObject = (MarshalByRefObject)Activator.CreateInstance(type);
      ObjRef myObject = RemotingServices.Marshal(targetObject);
      stringUri = myObject.URI;
   }

   public MyProxy(Type type, MarshalByRefObject targetObject) : base(type)
   {
      this.targetObject = targetObject;
   }

   public override IMessage Invoke(IMessage message)
   {
      message.Properties["__Uri"] = stringUri;
      IMethodMessage myMethodMessage =
         (IMethodMessage)ChannelServices.SyncDispatchMessage(message);

      Console.WriteLine("---------IMethodMessage example-------");
      Console.WriteLine("Method name : " + myMethodMessage.MethodName);
      Console.WriteLine("LogicalCallContext has information : " +
         myMethodMessage.LogicalCallContext.HasInfo);
      Console.WriteLine("Uri : " + myMethodMessage.Uri);

      return myMethodMessage;
   }
}

Public Class MyProxy
   Inherits RealProxy

   Private stringUri As String
   Private targetObject As MarshalByRefObject

   <SecurityPermission(SecurityAction.LinkDemand)> _
   Public Sub New(type As Type)
      MyBase.New(type)
      targetObject = CType(Activator.CreateInstance(type), MarshalByRefObject)
      Dim myObject As ObjRef = RemotingServices.Marshal(targetObject)
      stringUri = myObject.URI
   End Sub

<SecurityPermission(SecurityAction.LinkDemand)> _
   Public Sub New(type As Type, targetObject As MarshalByRefObject)
      MyBase.New(type)
      Me.targetObject = targetObject
   End Sub


<SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags:=SecurityPermissionFlag.Infrastructure)> _
   Public Overrides Function Invoke(message As IMessage) As IMessage
      message.Properties("__Uri") = stringUri
      Dim myMethodMessage As IMethodMessage = _
            CType(ChannelServices.SyncDispatchMessage(message), IMethodMessage)
      Console.WriteLine("---------IMethodMessage example-------")
      Console.WriteLine("Method name : " + myMethodMessage.MethodName)
      Console.WriteLine("LogicalCallContext has information : " + _
            myMethodMessage.LogicalCallContext.HasInfo.ToString())
      Console.WriteLine("Uri : " + myMethodMessage.Uri)
      Return myMethodMessage
   End Function 'Invoke

End Class