RequestedImageUpdated Event

using Leadtools ; 
         using Leadtools.Codecs ; 
         using Leadtools.Dicom ; 
         using Leadtools.MedicalViewer ; 
         using Leadtools.Dicom.Scu.Common ; 
         using Leadtools.ImageProcessing ; 
         using Leadtools.Dicom.AddIn.Common; 
         using Leadtools.Dicom.Scu; 
         using Leadtools.Medical.Workstation.Client ; 
         using Leadtools.Medical.Workstation.Client.Pacs ; 
         using Leadtools.Medical.Workstation.Loader ; 
 
         MedicalViewer viewer = new MedicalViewer(); 
         [TestMethod] 
         public void LoadSeries ( )  
         { 
#if LEADTOOLS_V175_OR_LATER 
            Leadtools.Examples.Support.SetLicense(); 
#else 
            Leadtools.Examples.Support.Unlock(); 
#endif // #if LEADTOOLS_V175_OR_LATER 
 
            AeInfo clientInfo = new AeInfo ( ) ; 
 
            clientInfo.Address = Dns.GetHostName () ; 
            clientInfo.Port = 1000 ; 
            clientInfo.AETitle = "TEST_CLIENT" ; 
 
            DicomScp serverInfo = new DicomScp ( ) ; 
            serverInfo.AETitle = "LEAD_SERVER" ; 
            serverInfo.Port = 104 ; 
            serverInfo.PeerAddress = GetLocalServerAddress ()  ; 
            serverInfo.Timeout = 30 ; 
 
            PacsQueryClient queryClient = new PacsQueryClient ( clientInfo, serverInfo ) ; 
 
            DicomDataSet[] queryResult =  queryClient.FindSeries ( new FindQuery ( ) ) ; 
 
            if ( queryResult.Length > 0 )  
            { 
               PacsRetrieveClient retrieveClient = new PacsRetrieveClient(clientInfo, serverInfo); 
 
 
               //make sure you have configured the workstation database correctly for the PacsRetrieveClient to store the images. 
               retrieveClient.StoreRetrievedImages = true ; //we want to store the images locally so we can view them later. 
 
               MedicalViewerLoader loader = new MedicalViewerLoader(retrieveClient ); 
 
               loader.ViewerControl = viewer ; 
               loader.Layout.Auto = true ; 
               loader.LazyLoading = true ; //this will cause to load the images for displayed sub-cells only 
               loader.ViewerPreLoadedImages = 1; //this will allow to load 1 image after and before the displayed sub-cell for fast scrolling. 
 
               loader.ProgressState += new ProgressEventHandler(loader_ProgressState); 
               loader.RequestedImageUpdated += new EventHandler<RequestedImageUpdatedEventArgs>(loader_RequestedImageUpdated); 
 
               string studyInstanceUID = queryResult [ 0 ].GetValue <string> ( DicomTag.StudyInstanceUID, string.Empty) ; 
               string seriesInstanceUID = queryResult[ 0 ].GetValue <string> ( DicomTag.SeriesInstanceUID, string.Empty )  ; 
 
               if ( loader.LoadSeries ( studyInstanceUID, seriesInstanceUID )  ) 
               { 
                  Console.WriteLine ( "Number of viewer cells: {0}",  viewer.Cells.Count ) ; 
                  Console.WriteLine ( "Number of loader created cells: {0}",  loader.SeriesCells.Length ) ; 
 
                  foreach ( MedicalViewerMultiCell cell in loader.FindSeriesCells ( seriesInstanceUID ) )  
                  { 
                     string sopInstanceUID = loader.FindDisplayedCellInstanceInformation ( cell, 0 ).SOPInstanceUID ; 
 
                     Console.WriteLine ( "Cell #{0} has first image with SOPInstanceUID={1}", viewer.Cells.IndexOf ( cell ), sopInstanceUID ) ; 
 
 
                     DicomDataSet ds = loader.GetDicom ( sopInstanceUID ) ; 
                     DicomElement imageElement = ds.FindFirstElement ( null, DicomTag.PixelData, true ) ; 
 
                     if ( null != imageElement && imageElement.Length > 0 ) 
                     { 
                        using ( RasterCodecs codec = new RasterCodecs ( ) ) 
                        { 
                           using ( RasterImage image = ds.GetImage ( imageElement, 0, 24, RasterByteOrder.Gray, DicomGetImageFlags.AutoApplyModalityLut |   DicomGetImageFlags.AutoApplyVoiLut ) ) 
                           { 
                              codec.Save(image,Path.Combine(LEAD_VARS.ImagesDir,sopInstanceUID), RasterImageFormat.Jpeg, image.BitsPerPixel); 
 
                              Console.WriteLine("Image with SOPInstanceUID={0} saved to {1}", sopInstanceUID,Path.Combine(LEAD_VARS.ImagesDir, sopInstanceUID)); 
                           } 
                        } 
                     } 
 
                     string [] imagesPath = loader.GetSeriesImages ( cell ) ; 
 
                     Console.WriteLine ( "Cell #{0} is loaded from {1} file(s):", viewer.Cells.IndexOf ( cell ), imagesPath.Length  ) ; 
 
                     foreach ( string imagePath in imagesPath )  
                     { 
                        Console.WriteLine ( imagesPath ) ; 
                     } 
                  } 
               } 
 
               loader.Close ( ) ; 
            } 
         } 
 
         void loader_RequestedImageUpdated(object sender, RequestedImageUpdatedEventArgs e) 
         { 
            Console.WriteLine ( "Image streamer for cell {0}, sub-cell {1}", viewer.Cells.IndexOf ( e.Cell ), e.SubCellIndex )  ; 
         } 
 
         void loader_ProgressState(object sender, ProgressEventArgs e) 
         { 
            Console.WriteLine ( e.Message ) ; 
         } 
 
         public IPAddress GetLocalServerAddress ()   
         { 
            IPAddress [ ] addresses ; 
 
            //you can use any IP address which a DICOM server is listning to. 
            addresses = Dns.GetHostAddresses ( Dns.GetHostName ( ) ) ; 
 
            foreach ( IPAddress address in addresses )  
            { 
               if ( address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork )  
               { 
                  return address ; 
               } 
            } 
 
            throw new InvalidOperationException ( "No IP Address V4 found for this machine." ) ; 
         } 
 
         static class LEAD_VARS 
         { 
         public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
         }