How can i listen a port in ClearCanvas?  i try to write sometihng but i can not...

     private void UserControl1_Load(object sender, EventArgs e)

        {

            ReceiveQueueTools receiveTool = new ReceiveQueueTools();

            if (!receiveTool.OpenStudiesEnabled)

            {

                StudyFinder finder;

               // finder.Query(

            }

           // StudyFinderExtensionPoint study = new StudyFinderExtensionPoint();

            RemoteStudyFinder rfinder = new RemoteStudyFinder();

            QueryParameters queryParams;

            ApplicationEntity ae = studyLoaderArgs.Server as ApplicationEntity;

           // ApplicationEntity entity = new ApplicationEntity("",

           // queryParams.Add(""

            //rfinder.Query(

        }