public Stream IntermediateCreateAndRegisterStream(
             string name,
             string extension,
             Encoding encoding,
             string mimeType, 
             bool willSeek,
             Interfaces.StreamOper operation) 
        {  _name = name; 
            _encoding = encoding;
            _extension = extension;
            _mimeType = mimeType; 
            _operation = operation;
            _willSeek = willSeek;
             // Create and return a new MemoryStream,
            // which will contain the results of the PDF renderer.
           intermediateStream = new MemoryStream();
           return intermediateStream;  
        }  
   public bool Render(Report report,
             NameValueCollection reportServerParameters,
             NameValueCollection deviceInfo,
             NameValueCollection clientCapabilities,
             ref Hashtable renderProperties, 
              Interfaces.CreateAndRegisterStream createAndRegisterStream)         
      {  
           pdfRenderer.Render(report,
                                      reportServerParameters, 
                                      deviceInfo,
                                      clientCapabilities,
                                      ref renderProperties,    
                                      new Interfaces.CreateAndRegisterStream(IntermediateCreateAndRegisterStream)                                                 ); 
           return false;         
     }